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ÖVE/ÖNORM EN 50134-3
2012 12 01
Alarm systems - Social alarm systems - Part 3: Local unit and controller (german version)
Norm
ÖVE/ÖNORM EN 50134-3
2003 02 01
Alarm systems - Social alarm systems - Part 3: Local unit and controller
Norm
Norm
ÖNORM EN ISO 3741
Issue date : 2011 01 01
Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Precision methods for reverberation test rooms (ISO 3741:2010)