DIN 4109-2:2016-07

Отменен

Sound insulation in buildings - Part 2: Verification of compliance with the requirements by calculation — 88 стр.

Заменен на

DIN 4109-2:2018-01

ICS

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