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PCE
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DIFF Subgroup
F02D 19/12

peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures > peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel

CPC:

Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures (the non-fuel substances being gaseous F02D21/00) > peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel

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