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The formula of new type waterproof coiled material
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The manufacturing process of NEW TYPE OF COMPOSITE paper
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Novel silicon carbide material
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A kind of technique compounding method of mosquito proof primary colors bamboo chip
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The fine fiery material of fire safe type aluminium-magnesium silicate
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A kind of production method in Chinese lantern plant face
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Utilize the method for waste plastic foam production thermal insulation material
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A kind of processing technology of waste and old cable
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A kind of formula of bionical log material
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The method of artificial amber handicraft
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A kind of manufacturing process of white glue with vinyl
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