SS EN 20140-9 Ed. 1
SS EN 20140-9 Ed. 1 标准详情
- 标准号：SS EN 20140-9 Ed. 1
- 中文标题：
- 英文标题：Acoustics - Measurements 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
- 标准类别：新加坡SS
- 发布日期：
内容简介
Gives 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 and simulates a pair of horizontall
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