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Abwassertechnik 3
Kläranlagen
Edition
2009-10
ABNT NBR IEC 60118-7
Electroacoustics - Hearing aids Part 7: Measurements of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
Edition
2014-10-02
UNE-EN 60118-7
Electroacoustics - Hearing aids - Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
Edition
2006-05-10
UNE-EN 60118-15
Electroacoustics - Hearing aids - Part 15: Methods for characterising signal processing in hearing aids with a speech-like signal
Edition
2012-09-19
UNE-EN 13285
Unbound mixtures - Specifications
Edition
2021-03-17
ABNT NBR IEC 60118-15
Electroacoustics - Hearing aids Part 15: Methods for characterising signal processing in hearing aids with a speech-like signal
Edition
2018-08-02
NF P98-845 ; NF EN 13285:2018-06-27
Unbound mixtures - Specifications
Edition
2018-06-27
BS EN 60118-15
Electroacoustics. Hearing aids. Methods for characterising signal processing in hearing aids with a speech-like signal
Edition
2012-05-31
BS EN 60118-7
Electroacoustics - Hearing aids - Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
Edition
2006-02-14
NF C97-627 ; NF EN 60118-7:2006-03-01
Electroacoustics - Hearing aids - Part 7: measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes
Edition
2006-03-01