DIN EN ISO 9809-1:2020-02
Действует
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 1100 MPa (ISO 9809-1:2019); German version EN ISO 9809-1:2019
— 70 стр.
