US PATENT SUBCLASS 165 / DIG 455
.~ Readily detachable tubes having ends with distinct fluid coupling members engaging corresponding coupling members on manifold


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165 /   HD   HEAT EXCHANGE

DIG 454  DD  HAVING SIDE-BY-SIDE CONDUITS STRUCTURE OR CONDUIT SECTION {16}
DIG 455.~ Readily detachable tubes having ends with distinct fluid coupling members engaging corresponding coupling members on manifold