US PATENT SUBCLASS 60 / 641.15
.~.~ With solar concentration

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}
641.15.~.~ With solar concentration

DEFINITION

Classification: 60/641.15

With solar concentration:

(under subclass 641.8) Apparatus provided with significant solar ray focusing means.