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DIFF Subgroup
F02M 35/09

Clogging indicators

Introduced: January 1995

Full Title

Full titles differ between systems:

IPC:

Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines > Air cleaners > with means for removing dust from cleaners; with means for indicating clogging; with by-pass means > Clogging indicators

CPC:

Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines > Air cleaners > with means for removing dust, from cleaners; with means for indicating clogging; with by-pass means; > Clogging indicators

No child classifications to compare. This is a leaf node in both IPC and CPC.