CENELEC CLC/TS 50459-3-2016 Railway applications. Communication,signalling and processing systems. European 2016-01-08 &n
ISO 4064-2:1978 Measurement of water flow in closed conduits—Meters for cold potable water—Part 2:Installation require
EN 10067:1996Hot-rolled bulb flat steel热轧球扁钢 标准中文翻译EN 10297-1:2003Seamless steel tubes for structural purposes结构用无缝钢管 标准中文翻译DIN EN10052