BS-EN-62489-2 › Complete Document History
Electroacoustics. Audio-frequency induction loop systems for assisted hearing
Complete Current Edition: |
2014 EDITION - Methods of calculating and measuring the low-frequency magne - Nov. 30, 2014
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Obsolete Revision Information: |
2011 EDITION - Methods of calculating and measuring the low-frequency magne - May 31, 2011
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