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声学 机器和设备发射的噪声测定工作位置和其它指定位置发射声压级的基础标准使用导则
Acoustics-Noise emitted by machinery and equipment-Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions
价格:¥0.00
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液压泵空气传声噪声级测定规范
Test code for the determination of airborne noise level of hydraulic pumps
价格:¥0.00
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声学 振速法测定噪声源声功率级 用于封闭机器的测量
Acoustics--Determination of sound power levels of noise sources using vibration velocity--Measurement for seal machinery
价格:¥0.00
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声学 声压法测定噪声源声功率级 使用标准声源简易法
价格:¥0.00
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声学 机器和设备噪声发射值的标示和验证
Acoustics-Declaration and verification of noise emission values of machinery and equipment
价格:¥0.00
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声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第4部分;成批机器标牌值的确定和检验方法
Acoustics. Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 4: Methods for stated values for batches of machines
价格:¥0.00
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声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第3部分;成批机器标牌值的确定和检验简易(过渡)法
Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 3: Simple (transition) method for determining and verifying labelled values for batches of machines
价格:¥0.00
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声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第2部分;单台机器标牌值的确定和检验方法
Acoustics. Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 2: Methods for stated values for individual machines
价格:¥0.00
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声学 确定和检验机器设备规定的噪声辐射值的统计学方法 第1部分;概述与定义
Acoustics. Statistical methods for determining and verifying stated noise emission values of machinery and equipment. Part 1: General considerations and definitions
价格:¥0.00
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工程机械辐射噪声测量的通用方法
General method for measurement of airborne noise emitted by construction machinery and equipment
价格:¥0.00
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