BS EN 20140-9:1994 PDF
Acoustics. Measurement of sound insulation in buildings and of building elements - Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
Название (английский):
BS EN 20140-9:1994
Acoustics. Measurement of sound insulation in buildings and of building elements - Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Дата публикации:
- 27 февраля 1987 г.
- ICS:
- 91.120.20
- SKU:
- BS EN 20140-9:1994