
Non-wavelength-selective fibre optic branching devices Part 1: Generic specification (IEC 86B/2573/CD:2007)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Non-wavelength-selective fibre optic branching devices Part 1: Generic specification (IEC 86B/2573/CD:2007)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻