Top IPC subclasses
1
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F26B
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5
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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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3
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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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A23N
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1
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machines or apparatus for treating harvested fruit, vegetables, or flower bulbs in bulk, not otherwi
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