Top IPC subclasses
1
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A01C
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1
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Planting; sowing; fertilising
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2
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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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3
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A01P
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1
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Biocidal, pest repellant, pest attractant or plant growth regulatory activity of chemical compounds or preparations
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