Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions (IEC 60534-2-1:2011); German version EN 60534-2-1:2011— 56 стр.
Industrial-process control valves - Part 2-1: Flow capacity - Sizing equations for fluid flow under installed conditions (IEC 60534-2-1:2011); German version EN 60534-2-1:2011, Corrigendum to DIN EN 60534-2-1:2012-01; (IEC-Cor.:2015 to IEC 60534-2-1:2011)— 2 стр.
