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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Main Group
F02B 21/00

Engines characterised by air-storage chambers

Introduced: September 1968

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • F02B 21/02 Chamber shapes or constructions IPC+CPC Available in IPC and CPC