CPC Subgroup
B29C 39/42 Casting under special conditions, e.g. vacuum
Full Title
Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor (B29C41/00 takes precedence) > Component parts, details or accessories; Auxiliary operations > Casting under special conditions, e.g. vacuum