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A kind of intelligent and safe band
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A kind of intelligence short-circuit grounding device and its earthing method
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A kind of shock-proof type municipal and environment-friendly cram packer
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A kind of energy-saving copper material polissoir
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A kind of safety and environmental protection plastics and preparation method thereof
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A kind of dust-collecting type municipal and environment-friendly cram packer
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A kind of Sprinking dust cleaning municipal and environment-friendly cram packer
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Double folding schoolbag
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Cultivation batch charging vehicle
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Pole-type white trash sucking disc
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A kind of Simple peanut sheller unit
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Graphic transformation demonstrator
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Simple detachable wardrobe frame
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A kind of bilateral pair of tank fertilising pouring wheelbarrow
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Automatic control system for speed measurement
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