US PATENT SUBCLASS 48 / 189.2
.~ With heating means

Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

180.1  DF  MIXERS {9}
189.2.~ With heating means

DEFINITION

Classification: 48/189.2

With heating means:

(under subclass 180.1) Apparatus additionally including means to heat the mixture produced or component thereof.