Poly资源列表
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[国外标准] JIS K9798-2006 Unplasticized poly (vinyl chloride) (PVC-U) three layer pipes with recycled foamed co
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[国外标准] JIS K9797-2006 Unplasticized poly (vinyl chloride) (PVC-U) three layer pipes with recycled solid cor
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[国外标准] JIS K7313-2-2007 Plastics -- Poly (phenylene ether) (PPE) moulding and extrusion materials -- Part 2