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3719500
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Patent number 3,719,500
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Issue date Mar 6, 1973
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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3712820
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Patent number 3,712,820
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Issue date Jan 23, 1973
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C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...