"Electroa " CNS Standards Search Result |
CNS 6135
- English Version Hearing aids - Part 0 : Measurement of Electroacoustical characteristics 助聽器-第0部:電聲特性的量測 - 英文版 |
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CNS 7129
- English Version Electroacoustics – Sound level meters – Part 1: Specifications 電聲學-聲音位准計-第1部:規格 - 英文版 |
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