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BS 4009

91st Edition, February 28, 1991

Complete Document

Specification for artificial mastoids for the calibration of bone vibrators used in hearing aids and audiometers

Includes all amendments and changes through Reaffirmation Notice , September 15, 1998


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Superseded By: BS EN 60318-6

EN
Additional Comments:
W/D S/S BY BS EN 60318-6 * SAME AS IEC 373
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Description / Abstract:

Basic features for objective calibration.