| IPC 7 English version |
| F21-F21H00500 |
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| SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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| F 21 | LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J, H01K, H05B) |
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| F 21 H | INCANDESCENT MANTLES; OTHER INCANDESCENT BODIES HEATED BY COMBUSTION (arrangements thereof F21V 36/00; burners F23D) |
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1/ | 00 | Incandescent mantles; Selection of imbibition liquids therefor |
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1/ | 02 | . | characterised by the material thereof |
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1/ | 04 | (transferred to F21V 19/06) |
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3/ | 00 | Manufacturing incandescent mantles; Treatment prior to use, e.g. burning-off; Machines for manufacturing |
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5/ | 00 | Solid incandescent bodies (incandescent mantles F21H 1/00) |
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