DIFF Subgroup
F04B 39/02 Lubrication (of machines or engines in general F01M)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Lubrication
CPC: Lubrication (of machines or engines in general F01M)
Full Title
Full titles differ between systems:
IPC:
Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups > Lubrication
CPC:
Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 > Lubrication (of machines or engines in general F01M)
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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