DIN EN ISO 389-3/A1:2020-06
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DIN EN ISO 389-3/A1:2020-06

Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold vibratory force levels for pure tones and bone vibrators; Amendment 1 (ISO 389-3:2016/DAM 1:2020); German version EN ISO 389-3:2016/prA1:2020
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Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 06/01/2020
Page Count 8
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