ISO 13472-1:2022 pdf download.Acoustics — Measurement of sound absorption properties of road surfaces in situ — Part 1: Extended surface method 4.2 Signal separation technique This document specifies how the […]
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ISO 13472-1:2022 pdf download.Acoustics — Measurement of sound absorption properties of road surfaces in situ — Part 1: Extended surface method 4.2 Signal separation technique This document specifies how the […]
Read more