DIFF Subgroup Additional Only
B02C 2019/183 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 2019/183 Other disintegrating devices or methods (for grain B02C9/00) > Use of auxiliary physical effects, e.g. ultrasonic waves or irradiation, for disintegrating