US PATENT SUBCLASS 251 / 209
.~.~ Plug

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

205  DF  WITH SELECTIVE FLOW REGULATION {2}
208  DF  .~ Rotary {1}
209.~.~ Plug

DEFINITION

Classification: 251/209

(under subclass 208) Devices in which the valve is of the plug type.