Electroacoustics. Hearing aids. Part 4, Induction-loop systems for hearing aid purposes - system performance requirements.
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Published: |
London :
BSI Standards Limited,
2018.
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Series: | B.S. (Series) ;
BS EN IEC 60118-4:2015+A1:2018. European standard ; BS EN IEC 60118-4:2015+A1:2018. International standard ; IEC 60118-4:2014+A1:2017. |
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Format: | Electronic eBook |