with gas introduction means

Introduced: January 1980

Full Title

Apparatus for enzymology or microbiology > with gas introduction means

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1980.

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C12M 1/045 CPC only CPC only
C12M 1/06 with agitator, e.g. impeller since 1980 +1 CPC IPC+CPC Available in IPC and CPC
C12M 1/08 with draft tube since 1980 IPC+CPC Available in IPC and CPC
C12M 1/09 Flotation apparatus since 1990 IPC+CPC Available in IPC and CPC