US PATENT SUBCLASS 202 / *
.~.~.~ Dome ovens

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

81  DF  APPARATUS {4}
239  DF  .~ Elements {10}
242  DF  .~.~ Closures {5}
*.~.~.~ Dome ovens {3}
244  DF  .~.~.~.~> Tunnel heads and lids
245  DF  .~.~.~.~> Removable
246  DF  .~.~.~.~> Hinged