US PATENT SUBCLASS 251 / 366
.~ Bodies

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

356  DF  VALVE {5}
366.~ Bodies {1}
367  DF  .~.~> Sectional

DEFINITION

Classification: 251/366

(under subclass 356) Devices relating to the valve body or casing.