BS EN 12758 2011 Glass in building

 

Glass, Construction materials, Glazing, Window glass, Transparency, Opacity, Airborne sound insulation, Sound insulation, Acoustic properties and phenomena, Performance

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BS EN 12758 2011 Glass in building - Glazing and airborne sound insulation-Product descriptions and determination of properties
http://www.4shared.com/office/qM_SlE_T/BS_EN_12758_2011_Glass_in_buil.html