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roduct center

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PPR???????湲???????Polypropylene-Random???????????????????PPR?????п???UPVC????????????PE???PE-X???PE-RT?????????????????????????湲???????????????????????????????????????????????????????????????????????????????????,???????????????????????????????????壬100%??????????????????????????????????????????????????ж????????????С??PPR???,PPR????????????????????????????????????GB/T18742?????????????????50??PPR?????????????????????????????????????????и?????н????????????????á?????????????????????????????????4-8???4???????????????????????PPR??????????湲????????????????????в?????


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???????2016-10-28 00:00:00

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