DIFF Subgroup
F01B 29/10 Engines
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Machines or engines with pertinent characteristics other than those provided for in main groups > Reciprocating-piston machines or engines not otherwise provided for > Engines
CPC:
Machines or engines with pertinent characteristics other than those provided for in preceding main groups > Reciprocating-piston machines or engines not otherwise provided for > Engines
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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