CPC Subgroup
F01M 5/02 Conditioning lubricant for aiding engine starting, e.g. heating
Full Title
Heating, cooling, or controlling temperature of lubricant (arrangement of lubricant coolers in engine cooling system F01P11/08); Lubrication means facilitating engine starting > Conditioning lubricant for aiding engine starting, e.g. heating
3 direct subcodes
Child Classifications
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- F01M 5/04 Diluting, e.g. with fuel