China Urban tunnel operati GB Standards Search Result |
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GB/T 43991-2024 Urban tunnel operation and maintenance service specifications 城市隧道运维服务规范 - 中英文版 |
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GB/T 38550-2020 Specifications for operation service of urban utility tunnel 城市综合管廊运营服务规范 - 中英文版 |
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GB/T 39559.3-2020 Specifications for operational monitoring of urban rail transit facilities—Part 3:Tunnel 城市轨道交通设施运营监测技术规范 第3部分：隧道 - 中英文版 |
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GB 51354-2019 Technical standard for operation，maintenance and safety management of urban utility tunnel 城市地下综合管廊运行维护及安全技术标准 - 中英文版 |
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