US PATENT SUBCLASS 202 / 147
.~.~.~.~.~ Gas bench

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

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
96  DF  .~.~ Thermolytic {5}
105  DF  .~.~.~ Retort {14}
133  DF  .~.~.~.~ Horizontal {6}
147.~.~.~.~.~ Gas bench {2}
148  DF  .~.~.~.~.~.~> With recuperator
149  DF  .~.~.~.~.~.~> With fluid injection

DEFINITION

Classification: 202/147

The retorts are of the well-known gas-retort forms and inclosed in the ordinary gas-bench furnace structure.