DIN EN 61280-4-4:2018现行
Fibre Optic Communication Subsystem Test Procedures - Part 4-4: Cable Plants And Links - Polarization Mode Dispersion Measurement For Installed Links (Iec 61280-4-4:2017)
出版：Verband Deutscher Elektrotechniker
专家解读视频
2018 [01/05/2018]2007 [01/01/2007]
Supersedes DIN IEC 61280-4-4 (01/2007)
SN EN 61280-4-4:2006 - Identical
EN 61280-4-4:2017 - Identical
I.S. EN 61280-4-4:2017 - Identical
BS EN 61280-4-4:2017 - Identical
NF EN 61280-4-4:2006 - Identical
NBN EN 61280-4-4:2007 - Identical
