Acoustics; measurement of sound insulation in buildings and of building elements; Part 9: laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it (ISO 140-9:1985); German version EN 20140-9:1993
| Accuris | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | DIN EN 20140-9 |
| Product Name | Acoustics; measurement of sound insulation in buildings and of building elements; Part 9: laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above... |