
Overhead Electrical Lines Exceeding Ac 1 Kv - Part 2-23: National Normative Aspects (Nna) For Slovakia (Based On En 50341-1:2012)
出版:British Standards Institution

专家解读视频
2016 [31/12/2016]
Supersedes BS EN 50423-3 & BS EN 50341-3 which remain current. (12/2016)
EN 50341-2-23:2016 - Identical
EN 50341-2-23 : 2016 - Identical
EN 50341-2-23 : 2016 - Identical