BS-EN-62489-1 › Complete Document History
Electroacoustics. Audio-frequency induction loop systems for assisted hearing
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2010/A2 EDITION - 2010 EDITION WITH AMENDMENT A2 INTERFILED - July 1, 2018
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Obsolete Revision Information: |
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2010/A1 EDITION - 2010 EDITION/AMENDMENT 1 INTERFILED - March 1, 2015
2010 EDITION - Methods of measuring and specifying the performance of syste - May 31, 2010 |