Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C21D 9/12

barrels for ordnance

Introduced: September 1968

Full Title

Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor > for tubular bodies or pipes > barrels for ordnance

No child classifications to compare. This is a leaf node in both IPC and CPC.