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kontraktor peredam suara ruangan Can Be Fun For Anyone
material juga memiliki andil didalam sistem peredam suara ( noise barrier ). Namun porous substance memiliki keterbatasan dalam menyerap suara. Tidak semua frekuensi mampu diserap apalagi dihalangi oleh porous product. Dengan meletakkan porous substance diantara kedua dinding ( dinding present dan dinding peredam suara – sounds barrier ) mak