It is compatible with IEC Publication 118 Part 6, which covers the characteristics of hearing aid electrical input circuits.
它与讨论助听器的电输入电路特性的IEC公告118的第6部分兼容。
It is compatible with IEC Publication 118 Part 6, which covers the characteristics of hearing aid electrical input circuits.
它与讨论助听器的电输入电路特性的IEC公告118的第6部分兼容。
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