US PATENT SUBCLASS 251 / 367
.~.~ Sectional

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

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

DEFINITION

Classification: 251/367

(under subclass 366) Devices consisting of two or more separable parts and the means for securing them together.