DIFF Subgroup
F16K 1/52 Means for additional adjustment of the rate of flow
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces > Details > Means for additional adjustment of the rate of flow
CPC:
Lift valves , i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces ( ; diaphragm valves F16K7/00) > Details (details of more general applicability F16K25/00 - F16K51/00) > Means for additional adjustment of the rate of flow
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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