
Amendment 1 - Electroacoustics - Hearing aids Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
出版:International Electrotechnical Committee

专家解读视频
Amendment 1 - Electroacoustics - Hearing aids Part 4: Induction-loop systems for hearing aid purposes - System performance requirements
出版:International Electrotechnical Committee
专家解读视频