IPC Subgroup
B02C 19/22 Crushing mills with screw-shaped crushing means
Introduced: September 1968
Last revised: January 2006
Full Title
Other disintegrating devices or methods > Crushing mills with screw-shaped crushing means
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- Subclass:
- CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN