
Amendment 2 - Electroacoustics - Audio-frequency induction loop systems for assisted hearing Part 1: Methods of measuring and specifying the performance of system components
出版:International Electrotechnical Committee

专家解读视频
Amendment 2 - Electroacoustics - Audio-frequency induction loop systems for assisted hearing Part 1: Methods of measuring and specifying the performance of system components
出版:International Electrotechnical Committee
专家解读视频