CPC Subgroup
B02C 19/11 High-speed drum mills (for separating B04B)
Full Title
Other disintegrating devices or methods (for grain B02C9/00) > High-speed drum mills (for separating B04B)
B02C 19/11 Other disintegrating devices or methods (for grain B02C9/00) > High-speed drum mills (for separating B04B)