DIN EN ISO 9053-2:2021-02

Действует

Acoustics - Determination of airflow resistance - Part 2: Alternating airflow method (ISO 9053-2:2020) — 28 стр.

Ссылочные документы

DIN EN 29053:1993-05

Отменен

Acoustics; materials for acoustical applications; determination of airflow resistance (ISO 9053:1991); German version EN 29053:1993 — 9 стр.

DIN EN ISO 9053-2:2020-03

Отменен

Acoustics - Determination of airflow resistance - Part 2: Alternating airflow method (ISO/DIS 9053-2:2020); German and English version prEN ISO 9053-2:2020