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PCE
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DIFF Subgroup
F16K 21/16

closing after a predetermined quantity of fluid has been delivered (F16K21/10 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: closing after a predetermined quantity of fluid has been delivered

CPC: closing after a predetermined quantity of fluid has been delivered (F16K21/10 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Fluid-delivery valves > Self-closing valves, i.e. closing automatically after operation > closing after a predetermined quantity of fluid has been delivered

CPC:

Fluid-delivery valves, (for liquid handling B67D; for flushing devices for water-closets or the like E03D) > Self-closing valves, i.e. closing automatically after operation > closing after a predetermined quantity of fluid has been delivered (F16K21/10 takes precedence)

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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