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Beneficiation of zircon
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Patent number 7,063,824
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Issue date Jun 20, 2006
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University of Pretoria
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Willem Johannes De Wet
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3672825
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Patent number 3,672,825
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Issue date Jun 27, 1972
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C01 - INORGANIC CHEMISTRY
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3454357
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Patent number 3,454,357
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Issue date Jul 8, 1969
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C01 - INORGANIC CHEMISTRY
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3445199
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Patent number 3,445,199
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C14 - SKINS HIDES PELTS LEATHER
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3281207
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Patent number 3,281,207
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Issue date Oct 25, 1966
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C01 - INORGANIC CHEMISTRY
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3168374
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Patent number 3,168,374
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C01 - INORGANIC CHEMISTRY
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3095270
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Patent number 3,095,270
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C01 - INORGANIC CHEMISTRY
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3057682
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Patent number 3,057,682
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C01 - INORGANIC CHEMISTRY
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3009777
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Patent number 3,009,777
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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2604378
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Patent number 2,604,378
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Issue date Jul 22, 1952
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C01 - INORGANIC CHEMISTRY
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2525474
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Patent number 2,525,474
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C01 - INORGANIC CHEMISTRY
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2201508
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Patent number 2,201,508
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C01 - INORGANIC CHEMISTRY
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1648569
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Patent number 1,648,569
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C01 - INORGANIC CHEMISTRY
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1618287
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Patent number 1,618,287
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C01 - INORGANIC CHEMISTRY
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1586241
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C01 - INORGANIC CHEMISTRY
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1540425
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C01 - INORGANIC CHEMISTRY
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1530139
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C01 - INORGANIC CHEMISTRY
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1460766
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Patent number 1,460,766
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C01 - INORGANIC CHEMISTRY