DIN EN ISO 12999-1 E:2019-04 Acoustics Determination and Application of Uncertainties in Measurement of Acoustics in Buildings Part 1: Sound Insulation (Draft)
2021DIN EN ISO 12999-1:2021 Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 1: Sound insulation (ISO 12999-1:2020); German version EN ISO 12999-1:2020
1970DIN EN ISO 12999-1 E:2019-04 Acoustics Determination and Application of Uncertainties in Measurement of Acoustics in Buildings Part 1: Sound Insulation (Draft)
2014DIN EN ISO 12999-1:2014 Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 1: Sound insulation (ISO 12999-1:2014); German version EN ISO 12999-1:2014
1993DIN EN 20140-2:1993 Acoustics; measurement of sound insulation in buildings and of building elements; part 2: determination, verification and application of precision data (ISO 140-2:1991); German version EN 20140-2:1993