IEC 61669:2015/AMD1:2025Amendment 1 - Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
10.70 €
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IEC 61669:2015+AMD1:2025 CSV (Consolidated Version)Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
492.20 €
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IEC 61669:2015Electroacoustics - Measurement of real-ear acoustical performance characteristics of hearing aids
278.20 €
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