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Acoustics type 2, ti = 31 mm, hi = 40 mm, tii = 33 mm, ρAbsorber = 110 kg/m3, AAkustik = 707 mm2, dAkustik = 75 mm, bAkustik = 25 mm => k = 2.43, β1 = 0.22 ⋅ k + 0.72 = 1.26 mm/min
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Type acoustique 2, ti = 31 mm, hi = 40 mm, tii = 33 mm, ρAbsorber = 110 kg/m3, AAkustik = 707 mm2, dAkustik = 75 mm, bAkustik = 25 mm => k = 2.43, β1 = 0.22 ⋅ k + 0.72 = 1.26 mm/min
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Tipo acustica 2, ti = 31 mm, hi = 40 mm, tii = 33 mm, ρAbsorber = 110 kg/m3, AAkustik = 707 mm2, dAkustik = 75 mm, bAkustik = 25 mm => k = 2.43, β1 = 0.22 ⋅ k + 0.72 = 1.26 mm/min
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