China Levels and test meth GB Standards Search Result

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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 6881.2-2017 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Engineering methods for small movable sources in reverberant fields—Comparison method for a hard-walled test room 声学声压法测定噪声源声功率级和声能量级混响场内小型可移动声源工程法硬壁测试室比较法 - 英文版
	GB/T 33138-2016 Levels and test method for storage and backup system 存储备份系统等级和测试方法 - 英文版
	GB/T 25982-2010 Permissible Levels and test methods of bus internal noise 客车车内噪声限值及测量方法 - 英文版

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