NBN EN 60793-2-50:2005被替代
Optical Fibres - Part 2-50: Product Specifications - Sectional Specification For Class B Single-mode Fibres
出版：Belgian Standards
专家解读视频
Applies to optical fibre types B1.1, B1.2, B1.3, and categories B2, and B4. These fibres are used or can be incorporated in information transmission equipment and optical fibre cables.
NF EN 60793-2-50:2009 - Identical
SS EN 60793-2-50 Ed. 2 (2004) - Identical
I.S. EN 60793-2-50:2004 - Identical
NF EN 60793-2-50:2004 - Identical
DIN EN 60793-2-50 (2005-01) - Identical
BS EN 60793-2-50:2004 - Identical
SS EN 60793-2-50 Ed. 3 (2008) - Identical
