DIN IEC 60118-7 : 1990被替代
HEARING AIDS; MEASUREMENT OF THE PERFORMANCE CHARACTERISTICS OF HEARING AIDS FOR QUALITY INSPECTION FOR DELIVERY PURPOSES
出版：German Institute for Standardisation (Deutsches Institut f眉r Normung)
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基本信息
標準編號： DIN IEC 60118-7 : 1990
標準類別：Standard
出版單位：German Institute for Standardisation (Deutsches Institut f眉r Normung)
標準頁數：0
標準簡介
Gives recommendation for the measurement of performance characteristics of air conduction hearing aids of a particular model for the purpose of comparing measured properties with those specified by the manufacturer, Describes practical reproducible methods for determining the compliance of a limited number of electroacoustical and electrical characteristics of delivered hearing aids with nominal performance data supplied by the manufacturer.
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