标准编号:ISO 6926:1999
中文名称:声学.噪声源的声功率级的测定.基准声源的性能和校正要求.
英文名称:Acoustics — Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
发布日期:1999-12
标准编号:ISO 6926:1999
中文名称:声学.噪声源的声功率级的测定.基准声源的性能和校正要求.
英文名称:Acoustics — Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
发布日期:1999-12