US PATENT SUBCLASS 202 / 261
.~.~.~ Residue offtakes

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

81  DF  APPARATUS {4}
239  DF  .~ Elements {10}
254  DF  .~.~ Offtakes {6}
261.~.~.~ Residue offtakes

DEFINITION

Classification: 202/261

Means for discharging the residue.