IPC Subgroup
B28B 11/22 for cleaning
Introduced: September 1968
Last revised: January 2006
Full Title
Apparatus or processes for treating or working the shaped articles > for cleaning
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING CEMENT, CLAY, OR STONE
- Subclass:
- SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
Related Keywords
CLEANING articles moulded from clay or other ceramic compositions or cementitious material after moulding