KW-JWEE...Sound absorption coefficient a, was calculated using formula, aj = A/S where S is the exposed surface area of the test specimen, (m2). Practical sound absorption coefficient

Feb 13, 2021

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Measurement test report-1Measurement test report-2Measurement test report-3Measurement test report-4Measurement test report-5Measurement test report-6Measurement test report-7Measurement test report-8Measurement test report-9Measurement test report-10