sigh007 发表于 2013-11-16 17:44:31

ISO 140-5-1998 下载

Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 5: Field measurements of airborne sound insulation of façade elements and façades



t7345s 发表于 2014-11-18 21:46:45

回复一下。。。。。。。
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查看完整版本: ISO 140-5-1998 下载