DIN EN 60318-5:2007-04
Действует
Electroacoustics - Simulators of human head and ear - Part 5: 2 cm<(hoch)3> coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts (IEC 60318-5:2006); German version EN 60318-5:2006
— 16 стр.
