
Optical Fibres - Part 2-50: Product Specifications - Sectional Specification For Class B Single-Mode Fibres
出版:Polish Committee for Standardization

專家解讀視頻
2016 [15/06/2016]2013 [02/12/2013]2009 [27/05/2009]2005 [15/05/2005]2002 [15/02/2003]
EN 60793-2-50:2016 - Identical
IEC 60793-2-50 : 5.0 - Identical
EN 60793-2-50 : 2016 - Identical