View Larger Image STC 3 Report No.494527Bzeroasiapacific2021-04-30T03:35:00+09:00 PDF Related Projects Sound Transmission Loss Test and Classification of an Operable Door Sound Transmission Loss Test and Classification of a Double Leaf Door Influence of Seals in Sound Insulation Prediction of Steel Double Panel Doors image Sound Test STC51 Door with 770+565+361 Sound test STC51 Door with 370+565+361 STC 1 Report Mo.494527F STC 2 Report No.494527A STC 4 Report No.494527C
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