DIFF Subgroup
F04B 39/04 Measures to avoid lubricant contaminating the pumped fluid
Introduced: September 1968
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 > Measures to avoid lubricant contaminating the pumped fluid
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 > Measures to avoid lubricant contaminating the pumped fluid
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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