BS EN ISO 11201. Acoustics. Noise emitted by machinery and equipment. Measurement 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 environment corrections
BS EN ISO 11201 声学机器和设备发出的噪音 在反射面上方的基本自由场中 在工作站和其他指定位置测量发射声压级 环境修正可忽略不计
发布日期:
2008-01-16
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