DIFF Subgroup
F15D 1/02 in pipes or conduits
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Influencing the flow of fluids > in pipes or conduits
CPC:
Influencing flow of fluids > in pipes or conduits
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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- F15D 1/04 Arrangements of guide vanes in pipe elbows or duct bends; Construction of pipe conduit elements for elbows with respect to flow, e.g. for reducing losses of flow IPC+CPC Available in IPC and CPC