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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. |
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GB/T 19052-2003- English Version of China National Standard Acoustics--Noise emitted by machinery and equipment--Rules for the drafting and presentation of a noise test code 声学 机器和设备发射的噪声 噪声测试规范起草和表述的准则 |
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GB/T 17248.5-1999- English Version of China National Standard Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at other specified positions--Method requiring environmental corrections 声学 机器和设备发射的噪声 工作位置和其他指定位置发射声压级的测量 环境修正法 |
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GB/T 17248.4-1998- English Version of China National Standard Acoustics--Noise emitted by machinery and equipment--Determination of emission sound pressure level at a work station and at other specified position from the sound power level 声学 机器和设备发射的噪声 由声功率级确定工作位置和其他指定位置的发射声压级 |
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GB/T 17248.3-1999- English Version of China National Standard Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at other specified positions--Survey method in situ 声学 机器和设备发射的噪声 工作位置和其他指定位置发射声压级的测量 现场简易法 |
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GB/T 17248.2-1999- English Version of China National Standard Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at otherspecified positions--Engineering method in an essentially free field over a reflecting plane 声学 机器和设备发射的噪声 工作位置和其他指定位置发射声压级的测量 一个反射面上方近似自由场的工程法 |
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GB/T 17248.1-2000- English Version of China National Standard Acoustics--Noise emitted by machinery and equipment--Guidelines forthe use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions 声学 机器和设备发射的噪声 测定工作位置和其他指定位置发射声压级的基础标准使用导则 |
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