
Hearing Aids; Methods Of Measurement Of Performance Characteristics Of Hearing Aids Under Simulated In Situ Working Conditions
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Hearing Aids; Methods Of Measurement Of Performance Characteristics Of Hearing Aids Under Simulated In Situ Working Conditions
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频