US PATENT SUBCLASS 209 / 901
FROTH FLOTATION; COPPER
Current as of:
June, 1999
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209 /
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CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS
901
FROTH FLOTATION; COPPER
DEFINITION
Classification: 209/901
FROTH FLOTATION; COPPER:
Froth flotation methods of separating copper from an ore.