IS:9901-(Pt.9)-1986. Indian standard measurements of sound insulation in buildings and building elements. Pt.9 : laboratory measurements of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it.
Indian Standards Institution[ISI]
IS:9901-(Pt.9)-1986. Indian standard measurements of sound insulation in buildings and building elements. Pt.9 : laboratory measurements of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it. - New Delhi Indian Standards Institution 1986 - 12p.
IS CODE / I.S.I
IS:9901-(Pt.9)-1986. Indian standard measurements of sound insulation in buildings and building elements. Pt.9 : laboratory measurements of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it. - New Delhi Indian Standards Institution 1986 - 12p.
IS CODE / I.S.I