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工业风扇.标准试验室条件下风扇声能级测定.第3部分:包围面法.修改件1
Industrial fans - Determination of fan sound power levels under standardized laboratory conditions - Part 3: Enveloping surface methods; Amendment 1
参考页数:6P.;A4
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土方机械.在操作者位置处测定声压级.动态试验条件.技术勘误表1
Earth-moving machinery - Determination of emission sound pressure level at operator's position - Dynamic test conditions; Technical Corrigendum 1
参考页数:1P;A4
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声学 低噪声机器工作间设计的推荐实用规程 第3部分:工作室中的声传播和噪声预测
Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 3: Sound propagation and noise prediction in workrooms
参考页数:24P;A4
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声学 低噪声机器和设备设计的推荐实用规程 第2部分:低噪声设计的物理工程说明
Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 2: Introduction to the physics of low-noise design
参考页数:46P.;A4
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声学.供水设施的装置和设备发射噪音的实验室试验.第1部分:测量方法.修改件1:不确定性测量
Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 1: Method of measurement; Amendment 1: Measurement uncertainty
参考页数:3P;A4
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声学 供水设施的装置和设备发射的噪声的实验室测试 第2部分:放水龙头和混合阀的安装和工作条件
Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 2: Mounting and operating conditions for draw-off taps and mixing valves
参考页数:4P;A4
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声学.机器和设备发射的噪声.应用近似环境修正法对工作站和其他指定位置发射声压级进行测定
Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections
参考页数:48P.;A4
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声学.服务设备噪音的空气传播和影响隔音的现场测量.调查法.修改件1
Acoustics - Field measurements of airborne and impact sound insulation and of service equipment sound - Survey method; Amendment 1
参考页数:2P;A4
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声学.机器和设备发射的噪声.应用精确环境校准在工作位置和其他指定位置的发射声压级测量
Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections
参考页数:44P.;A4
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声学.机器和设备发射的噪声.在一个反射平面上方可忽略环境校正条件下进行工作位置和其他指定位置的发射声压级测量
Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
参考页数:42P.;A4
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