US PATENT SUBCLASS 285 / FOR 157
.~.~ Diverse coupling interfaces (285/175)

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

FOR 100  DF  SYSTEMS (285/120) {11}
FOR 151  DF  .~ Serial diverse single flow or line (285/169) {5}
FOR 157.~.~ Diverse coupling interfaces (285/175)

DEFINITION

Classification: 285/FOR.157

Foreign art collection wherein the coupling interface of one of the couplings is different from the coupling interface of the other.