US PATENT SUBCLASS 251 / 354
.~ Biased valve


Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

349  DF  VALVE ACTUATOR IS INLET OR OUTLET {5}
354.~ Biased valve


DEFINITION

Classification: 251/354

(under subclass 349) Devices in which there is an impositive connection between the actuator and the valve.