DIFF Main Group
F03B 9/00 Endless-chain machines or engines
Introduced: September 1968
Title
Titles differ between systems:
IPC: Endless-chain type machines or engines
CPC: Endless-chain machines or engines
Full Title
Full titles differ between systems:
IPC:
Endless-chain type machines or engines
CPC:
Endless-chain machines or engines
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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