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Code for risk management of underground works in urban rail transit
Translate name
STANDARD published on 18.2.2011
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Designation standards: GB 50652-2011
Publication date standards: 18.2.2011
SKU: NS-1178814
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-07-06 (Number of items: 2 286 164)
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