Sound system equipment - Electroacoustic transducers - Measurement of suspension parts (IEC 62459:2010); German version EN 62459:2011, Corrigendum to DIN EN 62459:2011-07; German version EN 62459:2011/AC:2015— 4 стр.
Sound system equipment - Electroacoustic transducers - Measurement of suspension parts (IEC 62459:2010); German version EN 62459:2011, Corrigendum to DIN EN 62459:2011-07; German version EN 62459:2011/AC:2015— 4 стр.