US PATENT SUBCLASS 251 / 207
.~.~ Rotary plug

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

205  DF  WITH SELECTIVE FLOW REGULATION {2}
206  DF  .~ Different sized bores in valve head {1}
207.~.~ Rotary plug

DEFINITION

Classification: 251/207

(under subclass 206) Devices in which the valve is of the plug type.