
Draft Amendment To Iec 60118-4 - Hearing Aids - Part 4: Magnetic Field Strength In Audiofrequency Induction Loops For Hearing Aid Purposes
出版:British Standards Institution

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Draft Amendment To Iec 60118-4 - Hearing Aids - Part 4: Magnetic Field Strength In Audiofrequency Induction Loops For Hearing Aid Purposes
出版:British Standards Institution
专家解读视频