DIFF Subgroup
B02C 17/183 Full Title
Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls (high-speed drum mills B02C19/11 ) > Details
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.