DS DS/EN ISO 717-2/A1
DS DSEN SO 717-2A1 2006-SEP-16 Acoustcs - Ratng of sound nsulaton n buldngs and of buldng elements - Part 2 mpact sound nsulaton
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Add the following text to the Scope as numbered item d) after the existing numbered item c):
d) defines a procedure for evaluating the weighted reduction in impact sound pressure level by floor coverings on lightweight floors.