
HEARING AIDS - METHODS FOR MEASUREMENT OF THE PERFORMANCE CHARACTERISTICS OF HEARING AIDS FOR QUALITY INSPECTION ON DELIVERY
出版:British Standards Institution

專(zhuān)家解讀視頻
Deals with the measurement of the performance characteristics of air conduction hearing aids of a particular model for comparing measured properties with those specified. BS AMD 7837 RENUMBERS THIS STANDARD TO BS EN 60118 PT7
IEC 60118-7 : 2.0 - Identical