Top IPC subclasses
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1
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C05F
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5
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organic fertilisers not covered by subclasses , , e.g. fertilisers from waste or refuse
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2
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A01C
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4
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Planting; sowing; fertilising
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3
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A01G
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3
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Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops, or seaweed; forestry; watering
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4
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A01B
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2
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Soil working in agriculture or forestry; parts, details, or accessories of agricultural machines or implements, in general
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5
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E02B
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1
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hydraulic engineering
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6
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C09K
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1
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materials for applications not otherwise provided forapplications of materials not otherwise provide
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7
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C05G
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1
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mixtures of fertilisers covered individually by different subclasses of class mixtures of one or mor
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8
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A01N
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1
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Preservation of bodies of humans or animals or plants or parts thereof; biocides, e.g. as disinfectants, as pesticides or as herbicides; pest repellants or attractants; plant growth regulators
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