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| SECTION B– PERFORMING OPERATIONS; TRANSPORTING |
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| B 22 | CASTING; POWDER METALLURGY |
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| B 22 C | FOUNDRY MOULDING (moulding refractory materials in general B 28 B) |
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| B 22 D | CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES (shaping of plastics or substances in a plastic state B 29 C; metallurgical processing, selection of substances to be added to metal C 21, C 22) |
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| B 22 F | WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER (processes or devices for granulating materials in general B 01 J 2/00; making ceramics by compacting or sintering C 04 B, e.g. C 04 B 35/64; for the production of metals as such, see class C 22; reduction or decomposition of metal compounds in general C 22 B; making alloys by powder metallurgy C 22 C; electrolytic production of metal powder C 25 C 5/00) |
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