IHS Inc., Home - http://www.ihs.com'
IHS Inc., Home - http://www.ihs.com 首页 | 用户登录 | 如何订阅 | 标准书店
Standards Subscription Quote Quote




VeriSign Secured
欢迎, 用户
登录书店
帐户申请
国家 : United States
如果选择送往到其它国家和地区,可能会受到相关限制。
请选择您所在的国家。
项:
0
小计 (USD):
$ 0.00
  现用货币:
文件 : 1-10 — 10 1
1. . AFNOR  NF F55-646  
印刷版
电子版 无库存
1994-DEC-01 • 现用 •
Railway fixed equipment. Electric conductors used for the device and rail connnection in the track circuits fitting the electrified lines.

2. . ITU-T  K.26  
印刷版
$25.00
电子版
$25.00
1988-NOV-01 • 现用 •
Protection of Telecommunication Lines Against Harmful Effects from Electric Power and Electrified Railway Lines - Protection Against Interference (Study Group V) 1 pp

3. . DS  DS/EN 50122-2/Corr.  
印刷版
$38.00
电子版
$38.00
2003-MAY-22 • 现用 •
Railway applications - Fixed installations - Part 2: Protective provisions against the effects of stray currents caused by d.c. traction systems

4. . DS  DS/EN 50341-1/A1  
印刷版
$50.00
电子版
$50.00
2009-JUN-24 • 现用 •
Overhead electrical lines exceeding AC 45 kV - Part 1: General requirements - Common specifications

5. . DS  DS/EN 50423-1  
印刷版
$69.00
电子版
$69.00
2007-JAN-26 • 现用 •
Overhead electrical lines exceeding AC 1 kV up to and including AC 45 kV - Part 1: General requirements - Common specifications

6. . DS  DS/EN 50468  
印刷版
$46.00
电子版
$46.00
2009-JUN-11 • 现用 •
Resistibility requirements to overvoltages and overcurrents due to lightning for equipment having telecommunication ports

7. . DS  DSF/prEN 50122-2:200X  
印刷版
$50.00
电子版
$50.00
Date NA 待定/草稿
Railway applications - Fixed installations - Electrical safety, earthing and bonding -- Part 2: Provisions against the effects of stray currents caused by d.c. traction systems

8. . DS  DSF/prEN 50468  
印刷版
$36.00
电子版
$36.00
Date NA 待定/草稿
Resistibility requirements to overvoltages and overcurrents due to lightning for equipment having telecommunication port

9. . CSA  C22.3 NO 3-98-CAN/CSA  
印刷版
$70.00
电子版
$65.00
1998-AUG-01 • 现用 •
Electrical Coordination-Fourth Edition; General Instruction No 1; Update No 2

10. . DS  DS/EN 50121-2  
印刷版
$69.00
电子版
$69.00
2006-SEP-12 • 现用 •
Railway applications - Electromagnetic compatibility - Part 2: Emission of the whole railway system to the outside world

文件 : 1-10 — 10 1



IHS 是一家ISO 9001认证公司

主页  |   解决方案  |   投资者关系  |   新闻  |   关于 IHS  |   联系我们