
ELECTROACOUSTICS - AUDIO-FREQUENCY INDUCTION LOOP SYSTEMS FOR ASSISTED HEARING - PART 1: METHODS OF MEASURING AND SPECIFYING THE PERFORMANCE OF SYSTEM COMPONENTS
出版:Polish Committee for Standardization

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基本信息
标准编号: PN EN 62489-1 : 2010 AMD 1 2015
标准类别:Standard
出版单位:Polish Committee for Standardization
标准页数:0
等同采用的国际标准
IEC 62489-1 : 1.1 - Identical
EN 62489-1 : 2010 AMD 2 2018 - Identical
IEC 62489-1 : 1.2 - Identical