DIN-EN-62489-1 Complete Document History
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components

Complete Current Edition:
   2018 EDITION - GERMAN LANGUAGE ONLY - Sept. 1, 2018

Obsolete Revision Information:
   2015 EDITION - GERMAN LANGUAGE ONLY - Oct. 1, 2015
   2010 EDITION - GERMAN LANGUAGE ONLY - Nov. 1, 2010