DETERMINATION OF SOUND POWER LEVELS OF NOISE FROM AIR TERMINAL DEVICES, HIGH/LOW VELOCITY/PRESSURE ASSEMBLIES, DAMPERS AND VALVES BY MEASUREMENT IN A REVERBERATION ROOM.
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DETERMINATION OF SOUND POWER LEVELS OF NOISE FROM AIR TERMINAL DEVICES, HIGH/LOW VELOCITY/PRESSURE ASSEMBLIES, DAMPERS AND VALVES BY MEASUREMENT IN A REVERBERATION ROOM.
DETERMINATION OF SOUND POWER LEVELS OF NOISE FROM AIR TERMINAL DEVICES, HIGH/LOW VELOCITY/PRESSURE ASSEMBLIES, DAMPERS AND VALVES BY MEASUREMENT IN A REVERBERATION ROOM.
DETERMINATION OF SOUND POWER LEVELS OF NOISE FROM AIR TERMINAL DEVICES, HIGH/LOW VELOCITY/PRESSURE ASSEMBLIES, DAMPERS AND VALVES BY MEASUREMENT IN A REVERBERATION ROOM.
