US PATENT SUBCLASS 266 / 161
MEANS FOR EXTRACTING AND REFINING METAL
Current as of:
June, 1999
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266 /
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METALLURGICAL APPARATUS
161
MEANS FOR EXTRACTING AND REFINING METAL
{1}
162
DF
.~
> With separate refining zone {2}
DEFINITION
Classification: 266/161
(under the class definition) Device comprising a means to treat an ore or other metal bearing material to remove a metal therefrom combined with additional means to purify or otherwise treat the removed metal.
