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GB/T 19889.7-2005 standard english preview version PDF file download

GB Standard Code GB/T 19889.7-2005
Standard Category China National Standards
GB Standard English Title Acoustics-Measurement of sound insulation in buildings and of building elements-Part 7:Field measurements of impact sound insulation of floors
GB Standard Chinese Title 声学 建筑和建筑构件隔声测量 第7部分:楼板撞击声隔声的现场测量
Chinese Version Price $15 USD per 50 pages
English Translation Price About $15  per 1 page; Inquire us for detail price

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