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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 17249.3-2012 |
Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms 声学 低噪声工作场所设计指南 第3部分：工作间内的声传播和噪声预测 |
China National Standards workrooms |
 English PDF |
| GB/T 27763-2011 |
Acoustics - Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance 声学 评价工作间声学性能的空间声场分布曲线的测量方法及参量表述 |
China National Standards workrooms |
English PDF |
| GB/T 21232-2007 |
Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens 声学 办公室和车间内声屏障控制噪声的指南 |
China National Standards workrooms |
English PDF |
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