DIFF Subgroup Additional Only
B01D 2239/0216 Bicomponent or multicomponent fibres
Full Title
Aspects relating to filtering material for liquid or gaseous fluids > Types of fibres, filaments or particles, self-supporting or supported materials > Bicomponent or multicomponent fibres
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Note: 2 CPC extensions are marked as secondary classification only.