CPC Subgroup
F16K 21/16 closing after a predetermined quantity of fluid has been delivered (F16K21/10 takes precedence)
Full Title
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)
1 direct subcode
Child Classifications
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