US PATENT SUBCLASS 122 / 25
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Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

23  DF  FLUID FUEL {2}
*  DD  .~ Plural burner {1}
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DEFINITION

Classification: 122/25

(under subclass 23) Devices provided with a plurality of fluid fuel burners one above the other.