US PATENT SUBCLASS 62 / 399
.~.~ Helical or spiral coil

Current as of: June, 1999
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62 /   HD   REFRIGERATION

389  DF  WITHDRAWABLE LIQUID, E.G., DISPENSER {6}
396  DF  .~ In indirect heat exchanging relationship to coolant {4}
399.~.~ Helical or spiral coil

DEFINITION

Classification: 62/399

(under subclass 396) Apparatus comprising a helical or spiral coil.