DIN IEC 61753-031-3 (2010-08)被替代
Fibre optic interconnecting devices and passive components - Performance standard Part 31-3: Non-connectorised single-mode 1xN and 2xN non-wavelength-selective branching devices for Category U - Uncontrolled environment (IEC 86B/3048/CD:2010)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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