GB/T 22271.3-2016塑料聚甲醛(POM)模塑和挤塑材料第3部分:通用产品要求国家标准
英文:Plastics—Polyoxymethylene(POM) moulding and extrusion materials—Part 3: Requirements for general materials GB/T 22271...
英文:Plastics—Polyoxymethylene(POM) moulding and extrusion materials—Part 3: Requirements for general materials GB/T 22271...