D21B   1/00		ݸޤϤεŪʾκٳͽģãѥפӡƥ󥰤ޤϥե˥󥰤ˡģģŪʤˤѥ׷դģģ	Fibrous raw materials or their mechanical treatment(pretreatment of the finely-divided materials before digesting <b>D21C1/00</b>; methods of beating or refining pulp <b>D21D1/00</b>; purification of the pulp suspension by mechanical means <b>D21D5/00</b>)	771
D21B   1/02		ʪŪ뤤ϲŪʤˤ븶ʼν£̡	Pretreatment of the raw materials by physical or chemical means(removal of bark <b>B27L</b>)	2371
D21B   1/04		Ҥ˺ٳꤹ뤳ȤˤΡ㡥ݡʴˡˤںޤΤΤʴդޤǣ£̡ʪݤεŪʬΥģ£ϥå󥰤ޤ϶ൡģ£	by dividing raw materials into small particles, e.g. fibres(breaking-up or cutting wood or the like by dry methods <b>B27L</b>;  mechanical separation of fibres from plant material <b>D01B1/00</b>; hackling or heckling machines <b>D01B5/00</b>)	704
D21B   1/06		ˡˤ	by dry methods	2058
D21B   1/08		λȤΡܤȤ	the raw material being waste paper; the raw material being rags	846
D21B   1/10		ǺѤˤ	by cutting actions	567
D21B   1/12		ˡˤΡλѤˤ	by wet methods;  by the use of steam	1076
D21B   1/14		ʴյˤΥ	Disintegrating in mills	918
D21B   1/16		ʤΤȤ	in the presence of chemical agents	583
D21B   1/18		ޥ	in magazine-type machines	71
D21B   1/20		֤Ĥ	with chain feed	53
D21B   1/22		֤Ĥ	with screw feed	76
D21B   1/24		ݥåȷ	of the pocket type	68
D21B   1/26		ưޤ	Driving or feeding arrangements	155
D21B   1/28		ʴյ˷礷ߥ륹ȡѤλž夲Ѷ	Dressers for mill stones, combined with the mill	34
D21B   1/30		¾μʤˤΥ	Defibrating by other means	704
D21B   1/32		λ	of waste paper	4063
D21B   1/34		ԡʤͤġ¤ޤϺ硨ѥѡ	Kneading or mixing; Pulpers	5638
D21B   1/36		®Ϲ߲ˤȯΥ	Explosive disintegration by sudden pressure reduction	781
D21B   1/38		ٳꤷ¸	Conserving the finely-divided cellulosic material	118
