DIN Standards Committee Materials Testing
ISO 140-1 AMD 1
Acoustics - Measurement of sound insulation in buildings and of building elements - Part 1: Requirements for laboratory test facilities with suppressed flanking transmission; Amendment 1: Specific requirements on the frame of the test opening for lightweight twin leaf partitions
Besondere Anforderungen an den Rahmen der Prüföffnung für zweischalige Leichtbau-Trennwände
Responsible national committee
NA 062-02-31 AA - Sound reduction and sound absorption; Measurement and evaluation
Responsible international committee
ISO/TC 43/SC 2/WG 18 - Measurement of sound insulation in buildings and of building elements