DIN 4109-11:2003-09

Отменен

Sound insulation in buildings - Part 11: Verification of sound insulation; Quality and suitability testing — 7 стр.

Заменен на

DIN 4109-11:2010-05

ICS

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