GB/T 22271.2-2021塑料聚甲醛(POM)模塑和挤出材料第2部分:试样制备和性能测定标准
英文:Plastics—Polyoxymethylene(POM) moulding and extrusion materials—Part 2:Preparation of test specimens and determinatio...
英文:Plastics—Polyoxymethylene(POM) moulding and extrusion materials—Part 2:Preparation of test specimens and determinatio...