IEC 60118-0:1983 EN-FR 31357faf
Hearing aids. Part 0: Measurement of electroacoustical characteristics
REVISED
发布日期 :
1983-01-01
实施日期 :
IEC 60118-9:1985 EN-FR d2bbb946
Hearing aids. Part 9: Methods of measurement of characteristics of hearing aids with bone vibrator output
REVISED
发布日期 :
1985-01-01
实施日期 :
IEC 60263:1982 EN-FR 85573a01
Scales and sizes for plotting frequency characteristics and polar diagrams
REVISED
发布日期 :
1982-01-01
实施日期 :
IEC 60263:2020 EN-FR 09cbd40a
Scales and sizes for plotting frequency characteristics and polar diagrams
现行
发布日期 :
2020-06-26
实施日期 :