CPC Subgroup
B22D 27/09 by using pressure
Full Title
Treating the metal in the mould while it is molten or ductile (B22D7/12, B22D11/10, B22D43/00 take precedence); > by using pressure
2 direct subcodes
Child Classifications
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- B22D 27/11 making use of mechanical pressing devices
- B22D 27/13 making use of gas pressure