IEC 60118-4 Amd.1 Ed. 1.0 b:1998
Amendment 1 – Hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes
Amendment by International Electrotechnical Commission, 06/05/1998
- Comments Off on IEC 60118-4 Amd.1 Ed. 1.0 b:1998
- IEC