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IEC 62489-1 Amd.2 Ed. 1.0 b:2017

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IEC 62489-1 Amd.2 Ed. 1.0 b:2017 Amendment 2 - Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components

Amendment by International Electrotechnical Commission, 11/27/2017

$9.89

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$23.00