GB/T 25102.7-2017电声学助听器第7部分:助听器生产、供应和交货时质量保证的性能特性测量国家标准
英文:Electroacoustics—Hearing aids—Part 7: Measurement of the performance characteristics of hearing aids for production, ...
英文:Electroacoustics—Hearing aids—Part 7: Measurement of the performance characteristics of hearing aids for production, ...