Top IPC subclasses
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1
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A61K
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11
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Preparations for medical, dental, or toilet purposes
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2
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A61P
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6
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Specific therapeutic activity of chemical compounds or medicinal preparations
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3
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A23L
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2
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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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4
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C01B
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1
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non-metallic elementscompounds thereof
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5
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C12R
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1
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Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
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6
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C12N
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1
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Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
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