IPC Subgroup
B21J 17/02 electrically heated
Introduced: September 1968
Last revised: January 2006
Full Title
Forge furnaces > electrically heated
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES