标准摘要
[中文适用范围]: 本国际标准规定了测定具有圆形横截面的热塑性塑料管的环刚度的试验方法。 [外文原描述]: ISO 9969:2016 specifies a test method for determining the ring stiffness of thermoplastics pipes having a circular cross section.
英文名称Thermoplastics pipes — Determination of ring stiffness