US PATENT SUBCLASS 48 / 182
.~.~ Anterior

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

180.1  DF  MIXERS {9}
181  DF  .~ Bell and tank {2}
182.~.~ Anterior

DEFINITION

Classification: 48/182

Devices where the mixture of gases or gas and air takes place before entering the bell and is controlled thereby.