| B | Sektion B — Arbeitsverfahren; Transportieren | PERFORMING OPERATIONS; TRANSPORTING | |||||
 | B22 | Gießerei; Pulvermetallurgie | CASTING; POWDER METALLURGY | ||||
| B22C | Gießformen (Formen von hitzebeständigem Material allgemein B28B) | FOUNDRY MOULDING (moulding refractory materials in general B28B) | ||||
 | B22C 9/00 | Formen oder Kerne (für besondere Gießverfahren B22D); Formverfahren [1, 2006.01] | Moulds or cores (uniquely adapted to particular casting processes B22D); Moulding processes [1, 2006.01] | ||||
| B22C 9/06 |
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