National Acoustic Laboratories Library

CE IEC 60118-4. Amendment 1. Hearing aids - part4: Magnetic field strength in audio-frequency induction looops for hearing aid purposes

By: International Electrotechnical Commission
Material type: TextTextPublisher: Geneva IEC 1998
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Periodical publication Periodical publication National Acoustic Laboratories
CEi IEC 60118-4 Available 310769

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