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| Chinese National Standard Category: Highway protection and maintenance |
| English Title: | Guidelines for maintenance and management of highway tunnel (civil engineering) |
| Chinese Title: | 公路隧道维护管理指南（土建部分） |
| Standard No.: | DB37/T 4774-2024 |
| Category No.: | R18 |
| Issued by: | Shandong Provincial Administration for Market Regulation |
| Issued on: | 2024-11-28 |
| Implemented on: | 2024-12-28 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | words |
| Similar Standards: |
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