IPC Subgroup
B22C 7/02 Lost patterns
Introduced: September 1968
Last revised: January 2006
Full Title
Patterns; Manufacture thereof so far as not provided for in other classes > Lost patterns
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CASTING; POWDER METALLURGY
- Subclass:
- FOUNDRY MOULDING