IEC 60645-1:2012 EN-FR 468fd029
Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone audiometry
REVISED
发布日期 :
2012-02-16
实施日期 :
IEC 60645-3:2020 EN-FR 50f91bae
Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration
现行
发布日期 :
2020-09-29
实施日期 :
IEC 61094-1:2000 EN-FR 4dd7b4d6
Measurement microphones - Part 1: Specifications for laboratory standard microphones
现行
发布日期 :
2000-07-21
实施日期 :