KS C IEC 60118-8-2017 Hearing aids-Part 8:Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
2017KS C IEC 60118-8:2017 Hearing aids-Part 8:Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions
2007KS C IEC 60118-8:2007 Hearing aids-Part 8:Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions