DIFF Subgroup
B29B 7/7631 Full Title
Mixing; Kneading ( in general B01F; combined with calendering B29C43/24, with injection B29C45/46, with extrusion B29C48/36) > using other mixers or combinations of dissimilar mixers > with stream-impingement mixing head
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.