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БДС EN ISO 389-1:2001

Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:1998)

Feb 24, 2001
Feb 24, 2001
95.99 Withdrawal of Standard   Mar 15, 2018

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95.99     Mar 15, 2018

BDS

ТК-82

European Standard

13.140  

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БДС EN ISO 389-1:2001
95.99 Withdrawal of Standard
Mar 15, 2018

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БДС EN ISO 389-1:2018

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Adopted from EN ISO 389-1:2000

Adopted from ISO 389-1:1998