IPC Subgroup
B23C 3/26 Making square or polygonal holes in workpieces, e.g. key holes in tools
Introduced: September 1968
Last revised: January 2006
Full Title
Milling particular work; Special milling operations; Machines therefor > Making square or polygonal holes in workpieces, e.g. key holes in tools
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- Subclass:
- MILLING