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— 31 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, Corrigendum to DIN EN 558:2008-05— 2 стр.
