NF S31-051-1979
Статус: Дата введения в действие:
| Обозначение | NF S31-051-1979 |
|---|---|
| Заглавие на английском языке | ACOUSTICS. MEASUREMENT OF THE ACOUSTIC INSULATION OF BUILDINGS AND BUILDING COMPONENTS. LABORATORY MEASUREMENT OF INSULATION AGAINST AIRBORNE NOISE OF BUILDING COMPONENTS. |