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| International Standard Category: Plastics pipes |
SY/T 4108-2012 Design and construction code of optical fiber cable (high-density polyethene silicone duct) laying in the same trench with oil (gas) pipeline
输油（气）管道同沟敷设光缆（硅芯管）设计及施工规范;
| Category No.: | 23.040.20 | Valid Status: | superseded |
| Issued Organization: | NEA | Issued Date: | 2012-1-4 |
| Implemented Date: | 2012-3-1 | Abolished Date: | |
| Superseded Standard.: | SY/T 4108-2019 Design and construction code of optical fiber cable (high-density polyethene silicore duct) laying in the same trench with oil & gas pipeline |
Superseded Date: | 2020-5-1 |
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