DIFF Subgroup
B24D 3/342 Full Title
Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents > characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.