US PATENT SUBCLASS 122 / 485
.~.~ Separate furnace

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

459  DF  STEAM TREATMENT {7}
*  DD  .~ Superheater {8}
485.~.~ Separate furnace

DEFINITION

Classification: 122/485

(under subclass 459) Subject matter relating to steam superheaters having a separate furnace for heating them.