Applies to building elements, excluding windows and doors, with an area of less than 1 m^2 and which transmit sound between two adjacent rooms or between one room and the open air independently of the adjoining building elements. Annexes A, B and C are for information only.
Текущий статус : WithdrawnДата публикации : 1991-12
Версия : 1
Технический комитет:Building acoustics