GB/T 37199.2-2018塑料聚丁烯(PB)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—Polybutene(PB) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of pr...
英文:Plastics—Polybutene(PB) moulding and extrusion materials—Part 2:Preparation of test specimens and determination of pr...