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3899570
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Patent number 3,899,570
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Issue date Aug 12, 1975
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3875287
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Patent number 3,875,287
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Issue date Apr 1, 1975
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C01 - INORGANIC CHEMISTRY
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3849267
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Patent number 3,849,267
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Issue date Nov 19, 1974
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C01 - INORGANIC CHEMISTRY
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3849537
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Patent number 3,849,537
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Issue date Nov 19, 1974
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3838190
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Patent number 3,838,190
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Issue date Sep 24, 1974
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C01 - INORGANIC CHEMISTRY
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3764496
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Patent number 3,764,496
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Issue date Oct 9, 1973
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3760057
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Patent number 3,760,057
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3704103
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Patent number 3,704,103
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Issue date Nov 28, 1972
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C30 - CRYSTAL GROWTH
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3676534
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Patent number 3,676,534
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Issue date Jul 11, 1972
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C01 - INORGANIC CHEMISTRY
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3639222
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Patent number 3,639,222
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Issue date Feb 1, 1972
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C01 - INORGANIC CHEMISTRY
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3537843
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Patent number 3,537,843
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent number 3,424,552
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C01 - INORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY
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2757070
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C01 - INORGANIC CHEMISTRY
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2570408
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Patent number 2,570,408
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C01 - INORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY