adding anti-knock agents, not provided for in subgroups F02M25/022 - F02M25/10

Introduced: September 1968

Title

Titles differ between systems:

IPC: adding anti-knock agents, not provided for in groups

CPC: adding anti-knock agents, not provided for in subgroups F02M25/022 - F02M25/10

Full Title

Full titles differ between systems:

IPC:

Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture > adding anti-knock agents, not provided for in groups

CPC:

Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture (adding secondary air to fuel-air mixture F02M23/00; adding exhaust gases F02M26/00; fuel-injection apparatus operating simultaneously on two or more fuels or on a liquid fuel and another liquid F02M43/00) > adding anti-knock agents, not provided for in subgroups F02M25/022 - F02M25/10

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