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Root canal file automatic production line
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Automatic production process of root canal file
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Sewing transmission device
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Cloth transfer device of sewing machine
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Thread loosening device
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Cutting device
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Threading apparatus for embroidery
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A kind of embroidery machine head
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A kind of cutting facility
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A kind of color replacing mechanism
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Ointment for treating beriberi
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Traditional Chinese medicine for treating asthma
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Traditional Chinese medicine for treating asthma
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Automatic sprayer for farmland
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Counter-burning type boiler
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Drug for treating spleen insufficiency type cataract
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Tractor gearbox
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