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3661804
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Issue date May 9, 1972
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C01 - INORGANIC CHEMISTRY
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3644090
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Patent number 3,644,090
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Issue date Feb 22, 1972
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C01 - INORGANIC CHEMISTRY
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3634216
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Patent number 3,634,216
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Issue date Jan 11, 1972
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C01 - INORGANIC CHEMISTRY
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3619387
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Patent number 3,619,387
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Issue date Nov 9, 1971
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C01 - INORGANIC CHEMISTRY
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Patent number 3,463,707
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Issue date Aug 26, 1969
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Patent number 2,837,405
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C01 - INORGANIC CHEMISTRY
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C01 - INORGANIC CHEMISTRY
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Issue date Aug 26, 1924
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C01 - INORGANIC CHEMISTRY