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3891544
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Issue date Jun 24, 1975
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C01 - INORGANIC CHEMISTRY
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3770390
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Patent number 3,770,390
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Issue date Nov 6, 1973
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C01 - INORGANIC CHEMISTRY
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3567371
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Patent number 3,567,371
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C01 - INORGANIC CHEMISTRY
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3512945
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Patent number 3,512,945
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Issue date May 19, 1970
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C01 - INORGANIC CHEMISTRY
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3442628
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Patent number 3,442,628
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Issue date May 6, 1969
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent number 3,378,489
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Issue date Apr 16, 1968
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C01 - INORGANIC CHEMISTRY
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3333920
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Patent number 3,333,920
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C01 - INORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY
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3000708
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C01 - INORGANIC CHEMISTRY
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Issue date Oct 13, 1953
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C01 - INORGANIC CHEMISTRY