US PATENT SUBCLASS 202 / 187
.~.~.~.~.~.~ Concentric with still

Current as of: June, 1999
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202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
152  DF  .~.~ Separatory {3}
163  DF  .~.~.~ Still {13}
182  DF  .~.~.~.~ With vapor-treating devices {7}
185.1  DF  .~.~.~.~.~ Condenser {10}
187.~.~.~.~.~.~ Concentric with still

DEFINITION

Classification: 202/187

The still and condenser are concentric.