Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2008/FprA1:2011
Railway applications - Tank wagons - Part 3: Bottom filling and emptying devices for gases liquefied under pressure; German version EN 12561-3:2011— 15 стр.
Industrial valves - Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems - PN and Class designated valves; German version EN 558:2008+A1:2011— 32 стр.
