DIN EN ISO 9809-2:2020-02
Действует
Gas cylinders and tubes - Design, construction and testing of refillable seamless steel gas cylinders and tubes - Part 2: Quenched and tempered steel cylinders and tubes with tensile strength greater than or equal to 1100 MPa (ISO 9809-2:2019); German version EN ISO 9809-2:2019
— 74 стр.
