DIFF Subgroup
C22B 4/02 Light metals
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys > Light metals
CPC:
Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys (obtaining iron or steel C21B, C21C) > Light metals
No child classifications to compare. This is a leaf node in both IPC and CPC.