
Electroacoustics - Octave-band And Fractional-octave-band Filters - Part 3: Periodic Tests (iec 29/846/cdv:2014)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Electroacoustics - Octave-band And Fractional-octave-band Filters - Part 3: Periodic Tests (iec 29/846/cdv:2014)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频