Top IPC subclasses
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1
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F26B
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29
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Drying solid materials or objects by removing liquid therefrom
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2
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A23B
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29
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preserving, e.g. by canning, meat, fish, eggs, fruit, vegetables, edible seedschemical ripening of f
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3
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A23L
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18
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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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A23N
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10
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machines or apparatus for treating harvested fruit, vegetables, or flower bulbs in bulk, not otherwi
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5
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A21C
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8
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machines or equipment for making or processing doughshandling baked articles made from dough
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6
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B01D
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2
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Separation
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7
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H05B
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2
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electric heatingelectric lighting not otherwise provided for
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8
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G05D
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2
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systems for controlling or regulating non-electric variables
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9
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A23C
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2
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dairy products, e.g. milk, butter, cheesemilk or cheese substitutesmaking thereof
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10
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B01J
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1
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Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
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11
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B65G
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1
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transport or storage devices, e.g. conveyers for loading or tippingshop conveyer systemspneumatic tu
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