
Devices for electroacoustic systems - Part 4: Microphones
出版:Polish Committee for Standardization

专家解读视频
EN IEC 60268-4:2018 - Identical
IEC 60268-4:2018 - Identical
IEC 60268-4:2018 - Identical
IEC 60268-4:2018 - Identical
EN IEC 60268-4:2018 - Identical