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3359164
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Patent number 3,359,164
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Issue date Dec 19, 1967
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3329568
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Patent number 3,329,568
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Issue date Jul 4, 1967
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C07 - ORGANIC CHEMISTRY
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3313695
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Patent number 3,313,695
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Issue date Apr 11, 1967
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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3313801
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Patent number 3,313,801
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Issue date Apr 11, 1967
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C07 - ORGANIC CHEMISTRY
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2841531
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Patent number 2,841,531
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Issue date Jul 1, 1958
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...