Report - #07 DS PERLA DB:#XX DS PERLA dB...RUS Hard combustible (G1): Gost 30244-94; V1, D1, T1 NPB 244-97 Dnfw = 41 dB 7.6 kg/m 2 Hz W NRC 125 250 500 1000 2000 4000 0.60(H) 0.65 0.30 0.40

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