MAGNETIC CONCENTRATION OF ORES
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Magnetic Concentration of Iron Ores of Alabama, 1927, USBM Bulletin, B 278.
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Investigations on Magnetic Fields With Reference to Ore-Concentration
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Magnetic concentration of iron ore, (The University of Minnesota. Minnesota school of mines. Experiment station ... Bulletin)
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Magnetic Concentration of Iron Ores of Alabama.
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Wills' Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery
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Dowling Magnets Foam Fun Magnet Tangrams, Set of 56
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Sentence Building Foam Magnets - 103 Pieces - Educational and Learning Activities for Kids
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