Amendment 2 - Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components
NORMA vydaná dňa 27.11.2017
Designation standards: IEC 62489-1-ed.1.0/Amd.2
Note: Zmena
Publication date standards: 27.11.2017
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: International technical standard
Kategória: Technické normy IEC