
Electroacoustics - Octave-Band And Fractional-Octave-Band Filters - Part 2: Pattern-Evaluation Tests
出版:Swiss Standards

專家解讀視頻
2016 [15/06/2016]
EN 61260-2:2016 - Identical
EN 61260-2 : 2016 AMD 1 2017 - Identical
IEC 61260-2 : 2017 (CON ED) 1.1 - Identical