DIFF Main Group
B21K 29/00 Arrangements for heating or cooling during processing (for preparing metal stock to be forged or pressed B21J1/06; heating equipment per se, see the appropriate classes, e.g. H05B)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Arrangements for heating or cooling during processing
CPC: Arrangements for heating or cooling during processing (for preparing metal stock to be forged or pressed B21J1/06; heating equipment per se, see the appropriate classes, e.g. H05B)
Full Title
Full titles differ between systems:
IPC:
Arrangements for heating or cooling during processing
CPC:
Arrangements for heating or cooling during processing (for preparing metal stock to be forged or pressed B21J1/06; heating equipment per se, see the appropriate classes, e.g. H05B)
No child classifications to compare. This is a leaf node in both IPC and CPC.