Top IPC subclasses
1
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A01G
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2
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Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops, or seaweed; forestry; watering
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2
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H05B
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1
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electric heatingelectric lighting not otherwise provided for
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3
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E04H
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1
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buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingten
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