Norm-Entwurf
24/30494573 DC
24/30494573 DC
BS EN IEC 61669/AMD1 Amendment 1 - Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
Titel (englisch)
BS EN IEC 61669/AMD1 Amendment 1 - Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids