Top IPC subclasses
1
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D04G
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3
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making nets by knotting of filamentary materialmaking knotted carpets or tapestriesknotting not othe
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2
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D03J
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1
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auxiliary weaving apparatusweavers' toolsshuttles
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3
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F03G
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1
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spring, weight, inertia, or like motorsmechanical-power-producing devices or mechanisms, not otherwi
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