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DIFF Subgroup
C25C 3/22

Collecting emitted gases

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Electrolytic production, recovery or refining of metals by electrolysis of melts > of aluminium > Collecting emitted gases

CPC:

Electrolytic production, recovery or refining of metals by electrolysis of melts (C25C5/00 takes precedence) > of aluminium > Collecting emitted gases

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