ISO12162: Thermoplastics materials for pipes and fitting for pressure applications-Classification and designation-Overall service (design) coefficient.
ISO12162: 热塑性塑料压力管材和管件用材料分级和命名-总体使用(设计)系数
ISO12162参考标准
ISO1043-1 Plastics-Symbols and abbreviated terms-Part 1: Basic polymers and their special characteristics.
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