US PATENT SUBCLASS 110 / 161
.~.~.~ Steam injected


Current as of: June, 1999
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110 /   HD   FURNACES

147  DF  DRAFT REGULATORS {5}
*  DD  .~ Stack {2}
160  DF  .~.~ Air jet {1}
161.~.~.~ Steam injected


DEFINITION

Classification: 110/161

(under subclass 160) Devices comprising a jet of steam.

SEE OR SEARCH THIS CLASS, SUBCLASS:

267+, for undergrate steam feeders.