
Ultrasonics - Power measurement - Radiation force balances and performance requirements (IEC 87/483/CDV:2011); German version FprEN 61161:2011
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Ultrasonics - Power measurement - Radiation force balances and performance requirements (IEC 87/483/CDV:2011); German version FprEN 61161:2011
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频