US PATENT SUBCLASS 62 / 299
.~ Detachable valve and coupling

Current as of: June, 1999
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62 /   HD   REFRIGERATION

298  DF  WITH REPAIR, ASSEMBLY OR DISASSEMBLY MEANS {3}
299.~ Detachable valve and coupling

DEFINITION

Classification: 62/299

(under subclass 298) Apparatus including a pipe coupling and valve means controlling flow through the coupling.