NS EN ISO 140-4 Ed. 1 标准详情
- 标准号:NS EN ISO 140-4 Ed. 1
- 中文标题:
- 英文标题:Acoustics - Measurement Of Sound Insulation In Buildings And Of Building Elements - Part 4: Field Measurements Of Airborne Sound Insulation Between Rooms
- 标准类别:挪威标准NS
- 发布日期:
Defines field procedures for measurement of the airborne sound insulation properties of interior walls, floors and doors between them under diffuse sound field conditions in both rooms, and for determination of the protection shown to the occupants o
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