GB/T 39690.1-2020塑料源自柔性和刚性消费品包装的聚丙烯(PP)和聚乙烯(PE)回收混合物第1部分:命名系统和分类基础标准
英文:Plastics—Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and ...
英文:Plastics—Mixtures of polypropylene (PP) and polyethylene (PE) recyclate derived from PP and PE used for flexible and ...