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Hardening treatment method for plastic surface
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304 stainless steel and preparation method thereof
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Intumescent flame-retardant plastic
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Clutch friction material
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Preparation method of environment-friendly plastic
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Anti-frost-crack plastic water pipe
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Anti-aging plastic film
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Stainless steel material
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Plastic pipe with good performance
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Composite electrode
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High-temperature-resistant plastic cloth
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