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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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3779952
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Patent number 3,779,952
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Issue date Dec 18, 1973
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C01 - INORGANIC CHEMISTRY
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3775352
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Patent number 3,775,352
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C01 - INORGANIC CHEMISTRY
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3758418
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Patent number 3,758,418
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C01 - INORGANIC CHEMISTRY
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3755222
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Patent number 3,755,222
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C01 - INORGANIC CHEMISTRY
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3642937
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Patent number 3,642,937
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent number 3,070,559
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Issue date Dec 25, 1962
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