DIFF Subgroup
C25C 3/02 of alkali or alkaline earth metals
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Electrolytic production, recovery or refining of metals by electrolysis of melts > of alkali or alkaline earth metals
CPC:
Electrolytic production, recovery or refining of metals by electrolysis of melts (C25C5/00 takes precedence) > of alkali or alkaline earth metals
No child classifications to compare. This is a leaf node in both IPC and CPC.