EN ISO 9809-1:2019
气瓶可重复充装的无缝钢气瓶设计,结构和试验.第1部分:抗拉强度低于1100 MPa的淬火加回火钢瓶
Gas cylinders - Design, construction and testing of refillable seamless steel gas cylinders and tubes - Part 1: Quenched and tempered steel cylinders and tubes with tensile strength less than 1 100 MPa (ISO 9809-1:2019)