DIN EN ISO 11114-1:2017 气瓶.气瓶和瓶阀材料与盛装气体的相容性.第1部分:金属材料 (ISO 11114-1-2012+Amd.1-2017);德文版本EN ISO 11114-1-2012+A1-2017
Gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 1: Metallic materials (ISO 11114-1:2012 + Amd.1:2017); German version EN ISO 11114-1:2012 + A1:2017