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發(fā)布時(shí)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。 . z7 A& Y7 O5 d$ ~0 \( L% I+ X1 O, VPolytrimethylene terephthalate/Polydimethylene terephthalate(PTT/PET)co-elastic ... |
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