GB/T 38273.1-2019塑料热塑性聚酯/酯和聚醚/酯模塑和挤塑弹性体第1部分:命名系统和分类基础标准
英文:Plastics—Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion—Part 1:Designation s...
英文:Plastics—Thermoplastic polyester/ester and polyether/ester elastomers for moulding and extrusion—Part 1:Designation s...