LST EN 60534-8-4-2006 Industrial-process control valves. Part 8-4: Noise considerations. Prediction of noise generated by hydrodynamic flow (IEC 60534-8-4:2005)
2006LST EN 60534-8-4-2006 Industrial-process control valves. Part 8-4: Noise considerations. Prediction of noise generated by hydrodynamic flow (IEC 60534-8-4:2005)