
【国外标准】 Acoustics. Measurement of sound insulation in buildings and of building elements
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适用范围:
暂无
标准号:
BS EN 20140-9:1994
标准名称:
Acoustics. Measurement of sound insulation in buildings and of building elements
英文名称:
Acoustics. Measurement of sound insulation in buildings and of building elements标准状态:
被代替-
发布日期:
1987-02-27 -
实施日期:
出版语种:
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