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發布時間: 2016-10-24 21:52
正文摘要:FZ/T 54041—2011 聚對苯二甲酸丙二醇酯/聚對苯二甲酸乙二醇酯PTT/PET 復合彈力絲，PDF。5 I5 n2 w1 s9 H; ^7 H8 l Polytrimethylene terephthalate/Polydimethylene terephthalate(PTT/PET)co-elastic yarns 4 e. Y ... |
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