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  • DIN EN ISO 4869-1:2019-10

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    Acoustics – Hearing protectors – Part 1: Subjective method for the measurement of sound attenuation (ISO 48691: 2018); English version EN ISO 48691: 2018, English translation of DIN EN ISO 4869-1:2019-10

    Available format(s):  Hardcopy, PDF

    Language(s):  English, German

    Published date:  01-10-2019

    Publisher:  German Institute for Standardisation (Deutsches Institut für Normung)

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