DIFF Main Group
F15D 1/00 Influencing flow of fluids
Introduced: September 1968
Title
Titles differ between systems:
IPC: Influencing the flow of fluids
CPC: Influencing flow of fluids
Full Title
Full titles differ between systems:
IPC:
Influencing the flow of fluids
CPC:
Influencing flow of fluids
CPC subdivides this area 3x more granularly than IPC with 6 additional codes.
6 codes are CPC-only extensions.
Child Classifications
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