标准编号:ISO 389-3:1994
中文名称:声学 听力设备校准用基准 纯音和骨头振动器用参照物的临界压力级.
英文名称:Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators
发布日期:1994-09
标准编号:ISO 389-3:1994
中文名称:声学 听力设备校准用基准 纯音和骨头振动器用参照物的临界压力级.
英文名称:Acoustics — Reference zero for the calibration of audiometric equipment — Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators
发布日期:1994-09