Top IPC subclasses
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1
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A23L
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13
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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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2
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A23C
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4
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dairy products, e.g. milk, butter, cheesemilk or cheese substitutesmaking thereof
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3
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A23G
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2
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cocoacocoa products, e.g. chocolatesubstitutes for cocoa or cocoa productsconfectionerychewing gumic
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4
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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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5
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B07B
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1
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separating solids from solids by sieving, screening, or sifting or by using gas currentsother separa
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6
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A23B
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1
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preserving, e.g. by canning, meat, fish, eggs, fruit, vegetables, edible seedschemical ripening of f
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