| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| TB/T 2075.21-2024 | English | RFQ |
ASK
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3 days [Need to translate]
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(Electrified railway contact network components - Part 21: Tunnel horizontal suspension device)
| Valid |
TB/T 2075.21-2024
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| TB/T 2075.21-2020 | English | 319 |
Add to Cart
|
3 days [Need to translate]
|
(Catenary components for electrified railways - Part 21: Horizontal suspension device for tunnels)
| Obsolete |
TB/T 2075.21-2020
|
| TB/T 2075.21-2010 | English | 439 |
Add to Cart
|
3 days [Need to translate]
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Fittings for overhead contact system in electrification railway. Part 21: Horizontal hang device in tunnels
| Obsolete |
TB/T 2075.21-2010
|
| TB/T 2075.21-2002 | English | 199 |
Add to Cart
|
2 days [Need to translate]
|
Fittings for overhead contact system of electrification railway-Part 21: Steady tube
| Obsolete |
TB/T 2075.21-2002
|
| TB/T 2075.21-1990 | English | 199 |
Add to Cart
|
2 days [Need to translate]
|
(Electrified railway catenary parts special rotating cantilever base)
| Obsolete |
TB/T 2075.21-1990
|