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| Professional Standard Category: Professional Standard - Energy |
NB/T 11899-2025 Technical code for appraisal and strengtheningdesign of overhead transmission line structures
架空输电线路结构鉴定与加固设计技术规程;
| Category No.: | NB | Valid Status: | to be valid |
| Issued Organization: | China Energy Aminidstration | Issued Date: | 2025-09-28 |
| Implemented Date: | 2026-3-28 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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