DIFF Subgroup
C08J 5/2287 Full Title
Manufacture of articles or shaped materials containing macromolecular substances (manufacture of semi-permeable membranes B01D67/00 - B01D71/00) > Manufacture of shaped structures of ion-exchange resins > Films, membranes or diaphragms
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.