IPC Main Group
B23F 9/00 Making gears having teeth curved in their longitudinal direction
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- Subclass:
- MAKING GEARS OR TOOTHED RACKS
3 direct subcodes
Child Classifications
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