US PATENT SUBCLASS 209 / 902
FROTH FLOTATION; PHOSPHATE
Current as of:
June, 1999
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209 /
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CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS
902
FROTH FLOTATION; PHOSPHATE
DEFINITION
Classification: 209/902
FROTH FLOTATION; PHOSPHATE:
Froth flotation methods of separating phosphate from an ore.