I.S. EN 50290-2-20:2001被替代
Communication Cables - Part 2-20: Common Design Rules And Construction - General
出版：National Standards Authority of Ireland
专家解读视频
Describes common design rules and construction requirements for materials used for communication cables.
Supersedes I.S. HD 624-0
(07/2005)
NEN EN 50290-2-20:2001 - Identical
UNE EN 50290-2-20:2002 - Identical
SS EN 50290-2-20 Ed. 1 (2002) - Identical
NF EN 50290-2-20:2002 - Identical
DIN EN 50290-2-20 (2002-07) - Identical
BS EN 50290-2-20:2001 - Identical
SN EN 50290-2-20:2001 - Identical
EN 50290-2-20:2016 - Identical
