Каталог стандартов

+7 (495) 223-46-76 +7 (812) 309-78-59
inform@normdocs.ru

BS 5821-1:1984

Заменен
Methods for rating the sound insulation in buildings and of building elements, Method for rating the airborne sound insulation in buildings and of interior building elements — 8 стр.
ICS
91.120.20 Acoustics in building. Sound insulation / Акустика в зданиях. Звукоизоляция