Top IPC subclasses
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1
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C12F
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1
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recovery of by-products of fermented solutionsdenaturing of, or denatured, alcohol
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2
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A23K
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1
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Feeding-stuffs specially adapted for animals; methods specially adapted for production thereof
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3
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C07F
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1
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acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
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4
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A23L
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1
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Foods, foodstuffs, or non-alcoholic beverages, not covered by subclasses A21D or A23B-A23J; their preparation or treatment, e.g. cooking, modification of nutritive qualities, physical treatment; preservation of foods or foodstuffs, in general
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