CB/T 3475-2013
防浪阀
Vertical storm valve
2013-07-22
CB/T 3476-2013
立式防浪阀
Scredown vertical storm valve
2013-07-22
CB/T 3477-2013
可闭立式防浪阀
Scredown vertical storm valve
2013-07-22
CB/T 4023-2005
J类法兰铸钢可闭立式防浪阀
J kind of flanged cast steel screwdown vertical storm valves
2005-04-11