GB/T 1048-2005 Translated English of Chinese Standard. (GBT 1048-2005, GB/T1048-2005, GBT1048-2005): Pipework components - Definition and selection of PNhttps://www.chinesestandard.net, 19 thg 10, 2018 - 6 trang This standard specifies the definition and series of PN (nominal pressure). This standard applies to pipework components as specified in the relevant standards which use the PN marking. |