BS EN ISO 389-7:2019 :

BS EN ISO 389-7:2019 : 1377271
BS EN ISO 389-7:2019 :
Title: Acoustics. Reference zero for the calibration of audiometric equipment Reference threshold of hearing under free-field and diffuse-field listening conditions


Pages: 20
Year:
Publisher: British Standards Institution
Availability: Within 1-2 working days
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