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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| TB/T 2075.21-2010 |
Fittings for overhead contact system in electrification railway. Part 21:Horizontal hang device in tunnels 电气化铁路接触网零部件 第21部分：隧道水平悬挂装置 |
China Railway & Train
Standards 21:Horizontal |
 English PDF |
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