F01P 9/04 by simultaneous or alternative use of direct air-cooling and liquid cooling (F01P9/02 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: by simultaneous or alternative use of direct air cooling and liquid cooling
CPC: by simultaneous or alternative use of direct air-cooling and liquid cooling (F01P9/02 takes precedence)
Full Title
Full titles differ between systems:
Cooling having pertinent characteristics not provided for in, or of interest apart from, groups > by simultaneous or alternative use of direct air cooling and liquid cooling
Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P1/00 - F01P7/00 (profiting from waste heat of combustion-engine cooling F02G5/00) > by simultaneous or alternative use of direct air-cooling and liquid cooling (F01P9/02 takes precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.