E21C  25/00  \	0	0	2D065	E21C  25/00	21	ںﵡʤؤФƤۤʿԤޤľѤƩ뤿ΤΡƩ֤ķФţãţãţã	Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam (dislodging machines with slitting means E21C 27/02, E21C 27/10, E21C 27/18)
E21C  25/02  \	1	1	2D065	E21C  25/02	9	ưĤޤϤʾξ׷⹩ˤäƩꤹ뵡	Machines slitting solely by one or more percussive tools moved through the seam
E21C  25/04  \	2	2	2D065	E21C  25/04	5	åƥ󥰥饦ޤϤ¾ιʾ׷ɥӥåȣţ£	Cutting crowns or other tools (percussion drill bits E21B 10/36)
E21C  25/06  \	1	1	2D065	E21C  25/06	22	ưžıưϤƤ⤷ʤȤ褤ĤޤϤʾΥåƥ󥰥åɤޤϥåƥ󥰥ɥˤäƩꤹ뵡	Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
E21C  25/08  \	2	2	2D065	E21C  25/08	4	åƥ󥰥åɤޤϥåƥ󥰥ɥѺܲ	Mountings for the rods or drums
E21C  25/10  \	2	2	2D065	E21C  25/10	6	åɡɥΣ	Rods; Drums [6]
E21C  25/14  \	2	2	2D065	E21C  25/14	2	ƩݽѶĤΡʥå֤ղäΣţã	with equipment for cleaning the slit (associated with cutter chain machines E21C 25/50)
E21C  25/16  \	1	1	2D065	E21C  25/16	13	ĤޤϤʾβžΤꡤåƥ󥰱Ĥޤϥåƥ󥰼֤ˤäƩ뵡	Machines slitting solely by one or more rotating saws, cutting discs, or wheels
E21C  25/18  \	2	2	2D065	E21C  25/18	9	Τꡨġåƥ󥰼	Saws; Discs; Wheels
E21C  25/20  \	1	1	2D065	E21C  25/20	4	ĤޤϤʾαưʤڤ֤ޤϱư륫åˤäƩꤹ뵡åƥ֤ĥ٥	Machines slitting solely by one or more reciprocating sawing implements or reciprocating cutter chains; Shaker conveyors with cutting means
E21C  25/22  \	1	1	2D065	E21C  25/22	80	֤˱äƴŪưĤޤϤʾΥåˤäƩꤹ뵡	Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
E21C  25/24  \	2	2	2D065	E21C  25/24	1	ʿ֤Ĥ	with flat jibs only
E21C  25/26  \	2	2	2D065	E21C  25/26	2	ʤä֤Ĥ	with curved jibs only
E21C  25/28  \	2	2	2D065	E21C  25/28	0	ޤϺΥɡΣ	Chains or chain guides [6]
E21C  25/30  \	3	3	2D065	E21C  25/30	0	Υ	Chain guides
E21C  25/32  \	4	4	2D065	E21C  25/32	0	ʤäüѶ	specially adapted for curved jibs
E21C  25/34  \	3	3	2D065	E21C  25/34	0		Chains
E21C  25/36  \	4	4	2D065	E21C  25/36	0	ѷѤ	Couplings for links
E21C  25/40  \	4	4	2D065	E21C  25/40	0	Ū˷줿ԥåȥ󥯤	having links with integrally formed picks
E21C  25/50  \	2	2	2D065	E21C  25/50	0	Ʃ¤ݽĤΡʲžåɤޤϲžɥղäΣţã	with equipment for cleaning the slit (associated with rotary-rod or rotary-drum machines E21C 25/14)
E21C  25/52  \	1	1	2D065	E21C  25/52	0	롼ףţãţãţãţãţã°İʾƩ֤ĵ	Machines incorporating two or more of the slitting means according to groups E21C 25/02, E21C 25/06, E21C 25/16, E21C 25/20 and E21C 25/22
E21C  25/54  \	1	1	2D065	E21C  25/54	0	⤵ʤå֥ޤϥåˤƩꡤޤϥ֥ޤϤƱΤΤˤäڱ̤˱äưĥ⤵ʤˤƩʥۡ٥ˤ뷡Фţãĥꥱ֥ˤʣţã	Slitting by unguided cutter cables or cutter chains or by unguided tools drawn along the working face by cables or the like (dislodging by planing means E21C 27/32; propulsion by haulage cables E21C 29/14)
E21C  25/56  \	1	1	2D065	E21C  25/56	1	å֥ޤϥåˤƩꡤޤϥ֥ޤϤƱΤΤˤäڱ̤˱äư빩ˤƩꡤξڱ̤ʿԤ˰⤵Ρ㡥٥ˤΡ٥ʿԤʥɤˤΡڱ¦˹٥򲡤ĤΣţã	Slitting by cutter cables or cutter chains or by tools drawn along the working face by cables or the like, in each case guided parallel to the face, e.g. by a conveyor or by a guide parallel to a conveyor (pressing the conveyor equipped with tools toward the working face E21C 35/14)
E21C  25/58  \	1	1	2D065	E21C  25/58	6	﹦Ϣ³ƤʤȤˤäƩ򤹤뵡	Machines slitting by drilling hole on hole
E21C  25/60  \	1	1	2D065	E21C  25/60	119	ʮͤޤ¾αΤʮͤˤƩήʮͥΥ֤ͭԥåţãžåإåɤˤʮ̸ήΤλۣţãˡΣ	Slitting by jets of water or other liquid (picks with arrangement of fluid-spraying nozzles E21C 35/187; distribution of spraying fluids in rotating cutter-heads E21C 35/23) [6]
E21C  25/62  \	1	1	2D065	E21C  25/62	2	Ʊ֤ޤϤξޤϲؤ˿ľڤܤ뵡	Machines for making slits approximately perpendicular to the seams either level with, or above or below the level of, the machine
E21C  25/64  \	1	1	2D065	E21C  25/64	1	ˤäƤޤϼȻٻΤΤ줫ˤäƥɤƩ굡ʼѤ뵡Ūιţã	Slitting machines guided solely by hand and either carried by hand or mounted on supports (hand-held power-operated tools E21C 37/22)
E21C  25/66  \	1	1	2D065	E21C  25/66	3	Ѥ°֤Ʃ굡	Machines for making slits with additional arrangements for drilling
E21C  25/68  \	1	1	2D065	E21C  25/68	0	¾μʤˤä줿Τΰư㡥Ѥ߹ߤˤ롤֤Ʃ٤굡ʥۡ٥Σţãåפα£ţã	Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means (slitting machines combined with planing means E21C 27/18; removing chippings E21C 35/20)
E21C  27/00  \	0	0	2D065	E21C  27/00	7	ؤʪ˷Ф	Machines which completely free the mineral from the seam
E21C  27/01  \	1	1	2D065	E21C  27/01	0	ú¤뤿̤˲ɤ줿	specially adapted for removing overhanging coal
E21C  27/02  \	1	1	2D065	E21C  27/02	10	ƩˤΡʥåɡɥţãΤꡤġ֣ţã󥬥ţã	solely by slitting (rods, drums, for same E21C 25/10; saws, discs, wheels E21C 25/18; chains, chain guides, for same E21C 25/28)
E21C  27/04  \	2	2	2D065	E21C  27/04	0	ŪƩ֤ޤϤ⤿ʤե졼˥ɤ줿ܤκˤ	by a single chain guided on a frame with or without auxiliary slitting means
E21C  27/06  \	3	3	2D065	E21C  27/06	132	žե졼Ĥ	with a slewing frame
E21C  27/08  \	2	2	2D065	E21C  27/08	0	˹ʪں魯°֤Ĥ	with additional means for cutting the mineral into blocks
E21C  27/10  \	1	1	2D065	E21C  27/10	1	Ʃ˺դξѤΤ	by both slitting and breaking-down
E21C  27/12  \	2	2	2D065	E21C  27/12	9	ʪɽ̤˿ľǷͿ뤳ȤˤäƸŪ˺դΡ㡥׷⹩	breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
E21C  27/14  \	2	2	2D065	E21C  27/14	4	¤¦̤ϤޤϰϤä뤳ȤˤäƸŪ˺դΡ㡥ӤˤΡʹˤ˺դΣţã	breaking-down effected by force or pressure applied to side of slit, e.g. by wedges (breaking-down by means inserted in boreholes E21C 37/00)
E21C  27/16  \	3	3	2D065	E21C  27/16	0	Ʃ˺դξ򤪤ʤ֤Ĥ	with means for both slitting and breaking-down
E21C  27/18  \	1	1	2D065	E21C  27/18	2	Ʃȥۡ٥ξѤˤ	by both slitting and planing
E21C  27/20  \	1	1	2D065	E21C  27/20	5	ž·ˤʤʪηФ	Mineral freed by means not involving slitting
E21C  27/22  \	2	2	2D065	E21C  27/22	7	˺֤äžˤΡ㡥ӷɥ	by rotary drills with breaking-down means, e.g. wedge-shaped drills
E21C  27/24  \	2	2	2D065	E21C  27/24	1	ڱ̤˺Ѥߥ֤ˤ	by milling means acting on the full working face
E21C  27/26  \	2	2	2D065	E21C  27/26	4	ڱ̤˺Ѥܶᤷäåˤ	by closely adjacent cutter chains acting on the full working face
E21C  27/28  \	2	2	2D065	E21C  27/28	10	˺֤ä׷⼰䵡ˤΡ㡥ӷ	by percussive drills with breaking-down means, e.g. wedge-shaped tools
E21C  27/30  \	2	2	2D065	E21C  27/30	1	Ф򤹤ĤܡХĤޤϥåפˤ	by jaws, buckets, or scoops that scoop-out the mineral
E21C  27/32  \	2	2	2D065	E21C  27/32	176	Ѥ߹֤뤫ޤʤĴǤ뤫ޤϤǤʤۡ٥ˤΡʾ׷⼰ۡ٥ţã	by adjustable or non-adjustable planing means with or without loading arrangements (by percussed planing means E21C 27/46)
E21C  27/34  \	3	3	2D065	E21C  27/34	1	֥ޤϺˤäڱ̤˱äƿʤ뵡	Machine propelled along the working face by cable or chain
E21C  27/35  \	4	4	2D065	E21C  27/35	0	ץ饦	Ram-ploughs
E21C  27/36  \	3	3	2D065	E21C  27/36	0	ڱ̤˱äƼưʤ뵡	Machine self-propelled along the working face
E21C  27/38  \	3	3	2D065	E21C  27/38	0	Ż߾֤Ǳ߸̾ں魯뵡	Machine stationary while planing in an arc
E21C  27/40  \	3	3	2D065	E21C  27/40	0	ڱ̤˱äƺưȤι	Machine and its planing tool making alternative step-wise movements along the working face
E21C  27/42  \	3	3	2D065	E21C  27/42	4	졼ѤޤϽȢ	combined with scraper or collector box
E21C  27/44  \	3	3	2D065	E21C  27/44	0	ۡ٥ʥաʺιѥԥåţã	Planing knives (mining picks E21C 35/18)
E21C  27/46  \	2	2	2D065	E21C  27/46	0	׷⼰ۡ٥ˤ	by percussed planing means
E21C  29/00  \	0	0	2D065	E21C  29/00	20	Ʃ굡ޤؤʪ˷Фο	Propulsion of machines for slitting or completely freeing the mineral from the seam
E21C  29/02  \	1	1	2D065	E21C  29/02	3	ФϤƯˤ	by means on the machine exerting a thrust against fixed supports
E21C  29/04  \	1	1	2D065	E21C  29/04	3	֥ޤϺˤ	by cable or chains
E21C  29/06  \	2	2	2D065	E21C  29/06	0	ڱ̤˰üޤξü	anchored at one or both ends to the mine working face
E21C  29/08  \	3	3	2D065	E21C  29/08	0	ʥ٥Τߤθţƣ	Anchoring arrangements (for anchoring of conveyors only E21F 13/00)
E21C  29/10  \	3	3	2D065	E21C  29/10	0	ޤƱ֤ͤȶƯ륱֥ޤϥ	Cable or chain co-operating with a winch or the like on the machine
E21C  29/12  \	3	3	2D065	E21C  29/12	1	֥ޤϥ󤫤ߤ˸ꤷΥ줿ꤹʬФƲꤹ뤳Ȥˤäƿʤ뵡	Machines propelled by thrust or pull against a part alternately anchored to, and released from, a cable or chain
E21C  29/14  \	2	2	2D065	E21C  29/14	20	֥ޤϥˤäƵڱ̤˱äư	by haulage cable or chain pulling the machine along the working face
E21C  29/16  \	3	3	2D065	E21C  29/16	1	֥ޤϥޤϤμʡʥ̣£ġ	Winches or other means for pulling cable or chain (winches in general B66D)
E21C  29/18  \	3	3	2D065	E21C  29/18	2	ȥ֥ޤϥȤηޤΥæ	Coupling and uncoupling machine to cable or chain
E21C  29/20  \	2	2	2D065	E21C  29/20	3	֥ޤϥ»Ѱ֤Ĥ	with safety devices operating in the event of breakage of the cable or chain
E21C  29/22  \	1	1	2D065	E21C  29/22	14	֤ˤΡ̵µˤΡޤϤषΤˤ	by wheels, endless tracks, or the like
E21C  29/24  \	2	2	2D065	E21C  29/24	0	ưȥå	Trucks carrying the machine while working
E21C  29/26  \	3	3	2D065	E21C  29/26	0	ȥåεΰ֤Ĵ֤᤹Ĥ	with means for adjustably positioning the machine on the truck
E21C  29/28  \	4	4	2D065	E21C  29/28	2	Τι⤵Ĵ᤹	adjusting the height of the whole machine
E21C  31/00  \	0	0	2D065	E21C  31/00	10	Ʃ굡ޤؤʪ˷Фζư	Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
E21C  31/02  \	1	1	2D065	E21C  31/02	5	ںޤ˺	for cutting or breaking-down devices
E21C  31/04  \	2	2	2D065	E21C  31/04	1	žȾ׷ξưͿ	imparting both a rotary and reciprocating motion
E21C  31/06  \	2	2	2D065	E21C  31/06	1	ɥ쥹֥ޤϥˤäƤʤ	actuated by an endless cable or chain
E21C  31/08  \	1	1	2D065	E21C  31/08	0	Ĵʬ	for adjusting parts of the machines
E21C  31/10  \	1	1	2D065	E21C  31/10	1	βưʬ	for slewing parts of the machines
E21C  31/12  \	1	1	2D065	E21C  31/12	1		Component parts
E21C  33/00  \	0	0	2D065	E21C  33/00	32	Ʃ굡ޤؤʪ˷ФΰưѥȥåޤϤ¾	Trucks or other devices for transporting machines for slitting or completely freeing the mineral from the seam
E21C  33/02  \	1	1	2D065	E21C  33/02	0	ȥåѤ߹֤ޤϥȥåߤ֤Ĥ	with equipment for loading or unloading the machine on to, or from, the truck
E21C  35/00  \	0	0	2D065	E21C  35/00	75	롼ףţãţãţãޤϣţãʬवʤƩ굡ޤؤʪ˷ФκΤ°	Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C 25/00-E21C 33/00, E21C 37/00 or E21C 39/00
E21C  35/02  \	1	1	2D065	E21C  35/02	3	ưʬκ	Locking equipment for slewable parts
E21C  35/04  \	1	1	2D065	E21C  35/04	15	֡ʤѥ֥ޤϥ»κݤ˺ưΣţã	Safety devices (operating in the event of breakage of a haulage cable or chain E21C 29/20)
E21C  35/06  \	1	1	2D065	E21C  35/06	3	֤δä˴ؤѶ	Equipment for positioning the whole machine in relation to its sub-structure
E21C  35/08  \	1	1	2D065	E21C  35/08	9	Υ	Guiding the machine
E21C  35/10  \	2	2	2D065	E21C  35/10	2	ڱ̤ܤեˤ	by feelers contacting the working face
E21C  35/12  \	2	2	2D065	E21C  35/12	24	٣ѥ٥˱褦	along a conveyor for the cut material
E21C  35/14  \	3	3	2D065	E21C  35/14	2	ڱ̤˥٥򲡤Ĥ	Equipment for pressing the conveyor towards the working face
E21C  35/16  \	2	2	2D065	E21C  35/16	8	ŷ׻ݡƤ󡤤ޤ¾λٻ֤Ѥ	by making use of the timbering, filling, or other supports
E21C  35/18  \	1	1	2D065	E21C  35/18	220	ιѥԥåΤΥۥʥۡ٥ѥʥգţãˡΣ	Mining picks; Holders therefor (planing knives E21C 27/44) [6]
E21C  35/183  \	2	2	2D065	E21C  35/183	10	׺ʪޤؤͭΡΣ	with inserts or layers of wear-resisting material [6]
E21C  35/187  \	2	2	2D065	E21C  35/187	0	ήʮͥΥ֤ͭΡʥΥؤήΤζţãˡΣ	with arrangement of fluid-spraying nozzles (supply of fluid to the nozzles E21C 35/22) [6]
E21C  35/19  \	2	2	2D065	E21C  35/19	2	ԥåޤϥۥꤹʡΣ	Means for fixing picks or holders [6]
E21C  35/193  \	3	3	2D065	E21C  35/193	0	ʸȤƥܥȤѤΡΣ	using bolts as main fixing elements [6]
E21C  35/197  \	3	3	2D065	E21C  35/197	15	ʸȤƥ꡼֡ĤޤΤΤѤΡΣ	using sleeves, rings or the like, as main fixing elements [6]
E21C  35/20  \	1	1	2D065	E21C  35/20	3	åפν֤ΰ̷㡥٥ؤѤ߹	General features of equipment for removal of chippings, e.g. for loading on conveyor
E21C  35/22  \	1	1	2D065	E21C  35/22	46	ԼȯɻߤޤϽήʮͥΥĥԥåţãΤˡޤ֣ţ£	Equipment for preventing the formation of, or for removal of, dust (picks with arrangement of fluid-spraying nozzles E21C 35/187; methods or apparatus for flushing boreholes E21B 21/00)
E21C  35/23  \	2	2	2D065	E21C  35/23	1	žåإåɤˤʮ̸ήΤλۡΣ	Distribution of spraying-fluids in rotating cutter-heads [6]
E21C  35/24  \	1	1	2D065	E21C  35/24	49	ƩޤϹʪ˷Ф̤ߤ줿̣֡ǣ	Remote control specially adapted for machines for slitting or completely freeing the mineral (control in general G05)
E21C  37/00  \	0	0	2D065	E21C  37/00	40	Ѥ߹֤ͭ뤫ޤͭʤФΤ¾ˡޤ֡ʹ¤ˤ˺դΣţã	Other methods or devices for dislodging with or without loading (breaking-down by means inserted in slits E21C 27/14)
E21C  37/00  A	0	0	2D065	E21C  37/00	248	Ū˺պࡦĥѤϤ˴Ϣ	using of static crushing or expanding materials, or related to thereof
E21C  37/00  Z	0	0	2D065	E21C  37/00	101	¾	Others
E21C  37/02  \	1	1	2D065	E21C  37/02	343	Ӥˤ	by wedges
E21C  37/04  \	1	1	2D065	E21C  37/04	64	ɤ˵ŪϤʬŪˤ֤ˤ	by devices with parts pressed mechanically against the wall of a borehole
E21C  37/06  \	1	1	2D065	E21C  37/06	110	˿尵ޤ϶򤫤뤳Ȥˤ	by making use of hydraulic or pneumatic pressure in a borehole
E21C  37/08  \	2	2	2D065	E21C  37/08	60	ɤФʬŪ˰Ϥ򤫤ԥȥ󡤥ץ󥸥㡤ޤΤΤͭ	Devices with pistons, plungers, or the like pressed locally against the wall of the borehole
E21C  37/10  \	2	2	2D065	E21C  37/10	71	ĥ󥰤	Devices with expanding elastic casings
E21C  37/12  \	2	2	2D065	E21C  37/12	45	ǽ˹ⰵǤޤϢ³ƹⰵΤʮͤ뤳ȤˤΡ㡥̮ưˤΡȥå¤ĥˤΡʿʮͤˤƩţãˤˣƣġ	by injecting into the borehole a liquid, either initially at high pressure or subsequently subjected to high pressure, e.g. by pulses, by explosive cartridges acting on the liquid (slitting by jets of water E21C 25/60; blasting by explosives F42D)
E21C  37/14  \	2	2	2D065	E21C  37/14	30	ˤΡȯˤΡΤˤ	by compressed air; by gas blast; by gasifying liquids
E21C  37/16  \	1	1	2D065	E21C  37/16	65	ˤΤޤǮ̤ˤƱͤˡˤΡǮѤţ£	by fire-setting or by similar methods based on a heat effect (drilling by use of heat E21B 7/14)
E21C  37/18  \	1	1	2D065	E21C  37/18	241	ŵŪʤΤˤ	by electricity
E21C  37/20  \	1	1	2D065	E21C  37/20	7	ĶȤˤΡΣ	by ultrasonic waves[2006.01]
E21C  37/22  \	1	1	2D065	E21C  37/22	12	ʪηФ̤ѤưޤȾưʼˤäƤѤƩ굡ţã	Hand tools or hand-held power-operated tools specially adapted for dislodging minerals (slitting machines guided solely by hand E21C 25/64)
E21C  37/24  \	2	2	2D065	E21C  37/24	38	ԥåϥޡʶϥޡ̣£ġ׷⼰﹦ţ£	Pick hammers (pneumatic hammers in general B25D; percussion drilling E21B 1/00)
E21C  37/26  \	1	1	2D065	E21C  37/26	32	ޤϰʾΤȤ˴ޤޤʤ¾ں﹩	Chisels or other cutting tools not mentioned before
E21C  39/00  \	0	0	2D065	E21C  39/00	28	ʪιŤ¾򸽾ǻ֡㡥Ŭκη֤˾Ϳ	Devices for testing <u>in situ</u> the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
E21C  41/00  \	0	0	2D065	E21C  41/00	48	ϲޤɽ̺ιˡʣţãͥˡΤ߷סťúѣţãˡΣ	Methods of underground or surface mining (E21C 45/00 takes precedence); Layouts therefor (for peat E21C 49/00) [5]
E21C  41/16  \	1	1	2D065	E21C  41/16	46	ϲιˡʤΤκηţãţãˡΤ߷סΣ	Methods of underground mining (winning machines therefor E21C 25/00-E21C 39/00); Layouts therefor [5]
E21C  41/18  \	2	2	2D065	E21C  41/18	25	úޤ̵úѡΣ	for brown or hard coal [5]
E21C  41/20  \	2	2	2D065	E21C  41/20	0	ޤϥѡΣ	for rock salt or potash salt [5]
E21C  41/22  \	2	2	2D065	E21C  41/22	26	ѡ㡥۾ιۡΣ	for ores, e.g. mining placers [5]
E21C  41/24  \	2	2	2D065	E21C  41/24	61	۾ѡΣ	for oil-bearing deposits [5]
E21C  41/26  \	1	1	2D065	E21C  41/26	80	ɽ̺ιˡϪŷۻκúޤϹФαѵţãˡΤ߷סΣ	Methods of surface mining (machines for obtaining, or the removal of, materials in open-pit mines E21C 47/00); Layouts therefor [5]
E21C  41/28  \	2	2	2D065	E21C  41/28	0	úޤ̵úѡΣ	for brown or hard coal [5]
E21C  41/30  \	2	2	2D065	E21C  41/30	8	ѡ㡥۾ιۡΣ	for ores, e.g. mining placers [5]
E21C  41/32  \	1	1	2D065	E21C  41/32	4	ɽ̺ιϰγŪΤڤνޤϺѵޤˡ££ᤷѵţƣˡΣ	Reclamation of surface-mined areas (machines or methods for treating or working soil for agricultural purposes A01B 77/00, A01B 79/00; machines for back-filling E02F 5/22) [5]
E21C  45/00  \	0	0	2D065	E21C  45/00	500	Ϻιˡϥ˥ʣţãͥˡΣ	Methods of hydraulic mining; Hydraulic monitors (E21C 25/60 takes precedence) [5]
E21C  45/02  \	1	1	2D065	E21C  45/02	58	̮ưήʮήȯʡΣ	Means for generating pulsating fluid jets [5]
E21C  45/04  \	2	2	2D065	E21C  45/04	103	ⰵΤλѤˤΡΣ	by use of highly pressurised liquid [5]
E21C  45/06  \	2	2	2D065	E21C  45/06	44	̥λѤˤΡΣ	by use of compressed gases [5]
E21C  45/08  \	1	1	2D065	E21C  45/08	5	ϥ˥μưޤϱΣ	Automatic or remote control of hydraulic monitors [5]
E21C  47/00  \	0	0	2D065	E21C  47/00	64	ϪŷۻκúޤϹФαѵťúκμţã	Machines for obtaining, or the removal of, materials in open-pit mines (obtaining peat E21C 49/00)
E21C  47/02  \	1	1	2D065	E21C  47/02	3	úúޤʪѡʷﵡޤں̣ţơˡΣ	for coal, brown coal, or the like (dredgers or soil-shifting machines in general E02F) [3]
E21C  47/04  \	2	2	2D065	E21C  47/04	2	μ֤ȶƱǻѤǤ륳٥֥åˡΣ	Conveyor bridges used in co-operation with the winning apparatus [3]
E21C  47/06  \	2	2	2D065	E21C  47/06	1	μ֤ȶƱǻѤ륱֥륦٥ϲţƣ	Cableway conveyors used in co-operation with the winning apparatus (underground hauling E21F 13/00)
E21C  47/08  \	2	2	2D065	E21C  47/08	2	ϤߤڤФ֡㡥úؤδ֤ˤϤޤä	Devices for cutting-out partings, e.g. layers of sand between seams of coal
E21C  47/10  \	1	1	2D065	E21C  47/10	40	СޤǴںμ	for quarrying stone, sand, gravel, or clay
E21C  49/00  \	0	0	2D065	E21C  49/00	1	ťúκμ表Τεťúνãơ	Obtaining peat; Machines therefor (treating peat C10F)
E21C  49/02  \	1	1	2D065	E21C  49/02	0	ˤ	by excavating
E21C  49/04  \	1	1	2D065	E21C  49/04	0	ťúϤηˤ	by digging in the form of peat sods
E21C  50/00  \	0	0	2D065	E21C  50/00	370	¾ʬवʤ椫ιʪκμʥ޴صޤϤιʣţƣʪΰޤʬΥΤ֣ţƣͤ塤ϲޤͻʪμ褹뤿äŬ礷ˡޤ֣ţ£åѣǣΣˡΣ	Obtaining minerals from underwater, not otherwise provided for (suction dredgers or component parts thereof E02F 3/88; equipment for conveying or separating excavated material E02F 7/00; dippers G01N 1/12) [5]
E21C  50/02  \	1	1	2D065	E21C  50/02	183	αưˤΡ̤ŪΤŬ礷ޤͷʪ££ˡΣ	dependent on the ship movements (vessels or floating structures adapted for special purposes B63B 35/00) [5]
E21C  51/00  \	0	0	2D065	E21C  51/00	11	ϵ絤λ񸻤֤ޤˡʱҹԣ£ǡˡΣ	Apparatus for, or methods of, winning materials from extraterrestrial sources (cosmonautics B64G) [2]
