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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| DL/T 5405-2008 |
Code for content depth on preliminary design of urban power cables 城市电力电缆线路初步设计内容深度规程 |
China Electricity & Power
Standards Code preliminary |
 English PDF |
| HGJ 232-1992 |
Code for preliminary work of production of chemical large and and medium plant pipeline 化学工业大、中型装置生产准备工作规范 |
China Chemical Industry
Standards Code preliminary |
English PDF |
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