DIFF Main Group
F16K 21/00 Fluid-delivery valves, (for liquid handling B67D; for flushing devices for water-closets or the like E03D)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Fluid-delivery valves
CPC: Fluid-delivery valves, (for liquid handling B67D; for flushing devices for water-closets or the like E03D)
Full Title
Full titles differ between systems:
IPC:
Fluid-delivery valves
CPC:
Fluid-delivery valves, (for liquid handling B67D; for flushing devices for water-closets or the like E03D)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- F16K 21/04 Self-closing valves, i.e. closing automatically after operation IPC+CPC Available in IPC and CPC