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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 32275-2015 |
Technical specifications of pipeline safety apparatus for fire dampers and explosion protection in textile industry 纺织工业防火防爆管道安全装置技术规范 |
China National Standards dampers |
 English PDF |
| GB/T 21229-2007 |
Acoustics - Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room 声学 风道末端装置、末端单元、风道闸门和阀噪声声功率级的混响室测定 |
China National Standards dampers |
English PDF |
| GB 15930-2007 |
Fire dampers for building venting and smoke-venting system 建筑通风和排烟系统用防火阀门 |
China National Standards dampers |
English PDF |
| GB/T 20063.8-2006 |
Graphical symbols for diagrams -Part 8: Valves and dampers 简图用图形符号 第8部分：阀与阻尼器 |
China National Standards dampers |
English PDF |
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