DIN EN 60534-8-3 Berichtigung 1:2013-01
Действует
Industrial-process control valves - Part 8-3: Noise considerations - Control valve aerodynamic noise prediction method (IEC 60534-8-3:2010); German version EN 60534-8-3:2011, Corrigendum to DIN EN 60534-8-3:2011-10
— 2 стр.
