CPC Subgroup
B02C 19/186 Full Title
Other disintegrating devices or methods (for grain B02C9/00) > Use of auxiliary physical effects, e.g. ultrasonic waves or irradiation, for disintegrating
B02C 19/186 Other disintegrating devices or methods (for grain B02C9/00) > Use of auxiliary physical effects, e.g. ultrasonic waves or irradiation, for disintegrating