DIN EN 62489-2:2011-12
Отменен
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure (IEC 62489-2:2011); German version EN 62489-2:2011
— 18 стр.
