IPC Main Group
A43D 31/00 Machines for making or inserting shank stiffeners
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- FOOTWEAR
- Subclass:
- MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
Related Keywords
making or inserting SHANK
2 direct subcodes
Child Classifications
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- A43D 31/02 Machines for making shank stiffeners
- A43D 31/04 Machines for inserting shank stiffeners