Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids (IEC 60118-0:2015); German version EN 60118-0:2015— 38 стр.
Hearing aids; part 0: measurement of electroacoustical characteristics (IEC 60118-0:1983 + IEC 118-0 AMD 1:1994); German version EN 60118-0:1993 + A1:1994— 15 стр.
Electroacoustics - Hearing aids - Part 0: Measurement of the performance characteristics of hearing aids (IEC 60118-0:2015); German version EN 60118-0:2015— 38 стр.