You Searched for - IS 9901 : Part 4
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    IS 9901 : Part 4 : 1981     (Reaffirmed Year : 2019 )

    Measurement of sound insulation in buildings and of building elements: Part 4 Field measurements of airborne sound insulation between rooms

    Technical Committee : LTD 7
    Status : Active

    No. of Amendments : 0
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