I.S. EN 20140-9-1994
I.S. EN 20140-9-1994 标准详情
- 标准号：I.S. EN 20140-9-1994
- 中文标题：
- 英文标题：Acoustics - Measurement Of Sound Insulation In Buildings And Of Building Elements - Laboratory Measurements Of Room-to-room Airborne Sound Insulation Of A Suspended Ceiling With A Plenum Above It
- 标准类别：爱尔兰国家标准I.S.
- 发布日期：
内容简介
Specifies a laboratory method of measuring the airborne sound insulation of a suspended ceiling with a plenum of defined height mounted above an acoustical barrier which separates two rooms of a specified test facility.
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