US PATENT SUBCLASS 159 / 16.2
.~ Submerged combustion

Current as of: June, 1999
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159 /   HD   CONCENTRATING EVAPORATORS

16.1  DF  GASEOUS BLAST OR CURRENT {2}
16.2.~ Submerged combustion

DEFINITION

Classification: 159/16.2

Submerger combustion:

(under subclass 16.1) Apparatus providing a burning operation under the liquid.