CPC Subgroup
B28B 21/78 with heating or cooling means, e.g. steam jackets
Full Title
Methods or machines specially adapted for the production of tubular articles > Moulds > with heating or cooling means, e.g. steam jackets
B28B 21/78 Methods or machines specially adapted for the production of tubular articles > Moulds > with heating or cooling means, e.g. steam jackets