
Electroacoustics - Audiometric equipment Part 3: Test signals of short duration (IEC 29/559A/CD:2004)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Electroacoustics - Audiometric equipment Part 3: Test signals of short duration (IEC 29/559A/CD:2004)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频