Transportable gas cylinders - 25E taper thread for connection of valves to gas cylinders - Part 2: Gauge inspection; German version EN 629-2:1996— 11 стр.
Gas cylinders - Compatibility of cylinder and valve materials with gas contents - Part 1: Metallic materials (ISO 11114-1:2012/DAM 1:2015); German and English version EN ISO 11114-1:2012/prA1:2015