CPC Subgroup
B29C 44/5681 Full Title
Shaping by internal pressure generated in the material, e.g. swelling or foaming > Auxiliary operations > After-treatment of articles, e.g. for altering the shape
B29C 44/5681 Shaping by internal pressure generated in the material, e.g. swelling or foaming > Auxiliary operations > After-treatment of articles, e.g. for altering the shape