
Optical fibres. Product specifications. Sectional specification for class B single-mode fibres
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
I.S. EN 60793-2-50:2013 - Identical
NBN EN 60793-2-50:2009 - Identical
DIN EN 60793-2-50 (2009-06) - Identical
NF EN 60793-2-50:2009 - Identical
SS EN 60793-2-50 Ed. 3 (2008) - Identical
IEC 60793-2-50 Ed. 3.0 - Identical