Measurement of sound insulation in buildings and of building elements, Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a standard floor— 12 стр.
Acoustics. Measurement of sound insulation in buildings and of building elements, Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floor— 22 стр.
Acoustics. Measurement of sound insulation in buildings and of building elements, Laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floor— 22 стр.
