GB/T 39827.2-2021塑料用过的聚对苯二甲酸乙二醇酯(PET)瓶回收物第2部分:试样制备和性能测定标准
英文:Plastics—Post-consumer poly(ethylene terephthalate) (PET) bottle recyclates—Part 2: Preparation of test specimens and...
英文:Plastics—Post-consumer poly(ethylene terephthalate) (PET) bottle recyclates—Part 2: Preparation of test specimens and...