S31-046-1983

Статус: Дата введения в действие:

Обозначение	S31-046-1983
Заглавие на английском языке	ACOUSTICS. AIR DISTRIBUTION AND AIR DIFFUSION. DETERMINATION OF SOUND POWER LEVELS FROM AIR TERMINAL DEVICES,HIGH/LOW VELOCITY AND HIGH/LOW PRESSURE DEVICES,DAMPERS AND VALVES BY MEASUREMENT IN A REVERBERATION ROOM.