Version: 2024.08
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F21H 1/00 | Incandescent mantles; Selection of imbibition liquids therefor [2013-01] |
F21H 1/02 | . | characterised by the material thereof [2013-01] |
F21H 1/04 | . | {Suspension devices therefor (for attaching the mantle on the housing of a lamp F21V 19/06)} [2016-11] |
F21H 3/00 | Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing [2013-01] |
F21H 5/00 |
F21H 7/00 | Other incandescent bodies [2013-01] |