标准号:KS I ISO 389-2-2014
英文标准名称:Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones
发布日期:2014/12/31 12:00:00
实施日期:2014/12/31 12:00:00
国际标准分类号:13.140