CPC Subgroup
B28B 21/76 Moulds
Full Title
Methods or machines specially adapted for the production of tubular articles > Moulds
4 direct subcodes
Child Classifications
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- B28B 21/78 with heating or cooling means, e.g. steam jackets
- B28B 21/80 adapted to centrifugal or rotational moulding
- B28B 21/82 built-up from several parts; Multiple moulds; Moulds with adjustable parts