IPC Main Group
B28C 1/00 Apparatus or methods for obtaining or processing clay
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING CEMENT, CLAY, OR STONE
- Subclass:
- PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
Related Keywords
obtaining CLAY(S)
2 direct subcodes
Child Classifications
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