DIFF Subgroup
F02B 3/02 with positive ignition (with non-timed positive ignition F02B9/06)
Introduced: September 1968
Title
Titles differ between systems:
IPC: with positive ignition
CPC: with positive ignition (with non-timed positive ignition F02B9/06)
Full Title
Full titles differ between systems:
IPC:
Engines characterised by air compression and subsequent fuel addition > with positive ignition
CPC:
Engines characterised by air compression and subsequent fuel addition (characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition F02B11/00) > with positive ignition (with non-timed positive ignition F02B9/06)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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