DIN EN ISO 11363-2-2010 气瓶.气瓶阀门连接用17E和25E椎管螺纹.第2部分:检验计量表(ISO 11363-2-2010).德文版本EN ISO 11363-2-2010
Gas cylinders - 17E and 25E taper threads for connection of valves to gas cylinders - Part 2: Inspection gauges (ISO 11363-2:2010); German version EN ISO 11363-2:2010