GB/T 2546.2-2022塑料聚丙烯(PP)模塑和挤出材料第2部分:试样制备和性能测定国家标准
英文:Plastics—Polypropylene(PP) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of...
英文:Plastics—Polypropylene(PP) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of...