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Treatment method for preventing black leather from mildewing
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Method for manufacturing cow double-layer waterproof leather
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Sweat proof leather and preparation method thereof
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Modified stretch-proof leather and preparation method thereof
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Using inferior grade gray wool skin be made can retanning wet blue processing technology
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A kind of no chromic acid leather makees method
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Improve the preparation method of black leathers intensity
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The production method of the double-colored stamp outermost layer of skin
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The preparation method of reflective leather
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