标准号:62489-2-2011
中文标准名称:62489-2-2011
英文标准名称: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 (E
发布日期:2011-01-01
实施日期:2014-10-02