ÖNORM EN 20140-2:1993-08

Заменен

Acoustics - Measurement of sound insulation in buildings and of building elements - Part 2: Determination, verification and application of precision data (ISO 140-2:1991)

Описание Изменения Ссылки Версии

Заменен на

ÖNORM EN ISO 12999-1:2015-03

ICS

91.120.20 Acoustics in building. Sound insulation / Акустика в зданиях. Звукоизоляция