DS DS/EN 20140-2
DS DSEN 20140-2 1993-JUN-28 Acoustcs - Measurement of sound nsulaton n buldngs and of buldng elements - Part 2 Determnaton verfcaton and applcaton of precson data
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This part of EN 20140 specifies procedures for assessing the uncertainty in the acoustical measurements described in ISO 140-3 to ISO 140-9 due to random and systematic influences.