IPC Main Group
B23P 25/00 Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- Subclass:
- METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS