US PATENT SUBCLASS 60 / 641.9
.~.~ With distillation

Current as of: June, 1999
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60 /   HD   POWER PLANTS

641.1  DF  UTILIZING NATURAL HEAT {3}
641.8  DF  .~ Solar {4}
641.9.~.~ With distillation

DEFINITION

Classification: 60/641.9

With distillation:

(under subclass 641.8) Apparatus wherein solar heat is used to heat a mixture for separating a more volatile part from at least one other part.