F21H   1/00		Ǯޥȥ롨Τ	Incandescent mantles; Selection of imbibition liquids therefor	383
F21H   1/02		ħΤ	characterised by the material thereof	78
F21H   3/00		Ǯޥȥ¤ν㡥¤	Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing	183
F21H   5/00		ǮΡǮޥȥƣȣ	Solid incandescent bodies(incandescent mantles <b>F21H1/00</b>)	48
F21H   7/00		¾ǮΡΣ	Other incandescent bodies	2
