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EXTRACTION OF MANGANESE FROM GEORGIA UMBER ORES BY A SULFURIC ACID-FERROUS SULFATE PROCESS(IN TWO PARTS) 2..COCURRENT EXTRACTION AND CENTRIFUGE TESTS

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Material type: materialTypeLabelBookPublisher: U. S. Dept. Of The Interior, Bureau Of Mines, [S. L.] 1972Description: 19.DDC classification: USBM | RI-7695
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Bound With Usbm Ri-7679-7694,7696-7698,Lack No. 7686-87,89,91,97

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