ISO 140-9:1985
Acoustics — Measurements of sound insulation in buildings and of building elements — Part 9: Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
Reference number
ISO 140-9:1985
Edición 1
1985-02
Retirada
ISO 140-9:1985
3965
Retirada (Edición 1, 1985)

Resumen

Specifies a method for measuring a quantity called the suspended ceiling normalized level difference when the sound transmitted by paths other than the required paths is negligible.

Informaciones generales

  •  : Retirada
     : 1985-02
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 6
  • ISO/TC 43/SC 2
  • RSS actualizaciones

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