OVE/ONORM EN 60318-3:2015現行
Electroacoustics - Simulators Of Human Head And Ear - Part 3: Acoustic Coupler For The Calibration Of Supra-Aural Earphones Used In Audiometry (Iec 60318-3:2014)
出版：Osterreichisches Normungsinstitut
專家解讀視頻
