Provides the specification of preferred frequencies, band centre frequencies, and frequency labels which form a geometric series for acoustical measurements. These preferred frequencies should also be used as geometric centre frequencies for acoustic band measurements.
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AS 3818.4-2010
$29.00 $58.08
AS 3818.8-2010
$25.00 $50.16
AS 3818.6-2010
$25.00 $50.16
AS 3818.5-2010
$18.00 $36.30