JUS U J6 043 1-1990 Building acoustics Field measurements of airborne sound insulation between two noams Amendment《建筑声学 两个建筑之间空中隔音的现场测量》.pdf

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STAS 12203 2-1983 Building acoustics DESIGN OF ANECHOIC AND SE- MIANEGHOIC ROOMS General requirements《建筑声学 无回声和半无声设计房间的总体要求 》.pdf

STAS 6161 3-1982 Building acoustics DETERMINATION OF NOISE LEVEL IN TOWNS Method of determination《建筑声学 城镇噪声水平测定 测定方法 》.pdf

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