IPC Subgroup
B21J 9/02 Special design or construction
Introduced: September 1968
Last revised: January 2006
Full Title
Forging presses > Special design or construction
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
2 direct subcodes
Child Classifications
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