DIN EN IEC 61265:2018-12 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft (IEC 61265:2018); German version EN IEC 61265:2018
2018DIN EN IEC 61265:2018-12 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft (IEC 61265:2018); German version EN IEC 61265:2018
2018DIN EN IEC 61265:2018 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft (IEC 61265:2018); German version EN IEC 61265:2018
0000 DIN EN 61265:2017
1999DIN EN 61265:1999 Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure one-third-octave band sound pressure levels in noise certification of transport-category aeroplanes (IEC 61265:1995); German version EN 6126