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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 50296-2014 |
Technical code for tube well 管井技术规范 |
China National Standards Technical code tube |
 English PDF |
| GB 50923-2013 |
Technical code for concrete-filled steel tube arch bridges 钢管混凝土拱桥技术规范 |
China National Standards Technical code tube |
English PDF |
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