SS-EN-ISO-389-7 › Complete Document History
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)
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2019 EDITION - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions - Dec. 5, 2019
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2005 EDITION - ENGLISH LANGUAGE EDITION - Nov. 11, 2005
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