EN-ISO-389-1 › Complete Document History
Part 1: Reference Equivalent Threshold Sound Pressure Levelsfor Pure Tones & Supra-Aur
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2018 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Feb. 14, 2018
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Obsolete Revision Information: |
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2000 EDITION - ONLY AVAILABLE IN NATIONAL EDITIONS - Feb. 1, 2000
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