Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Nanjing Bridge Section of China Railway Shanghai Group Co Ltd filed Critical Nanjing Bridge Section of China Railway Shanghai Group Co Ltd Priority to CN202010509167.6A priority Critical patent/CN111996852A/en Publication of CN111996852A publication Critical patent/CN111996852A/en Status Pending legal-status Critical Current Links Original Assignee Nanjing Bridge Section of China Railway Shanghai Group Co Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Nanjing Bridge Section of China Railway Shanghai Group Co Ltd Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 贡照华 叶勇 史勤丰 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Pending Application number CN202010509167.6A Other languages Chinese ( zh) Google Patents Ecological intrinsic safety intensive underpass interchange drainage systemĭownload PDF Info Publication number CN111996852A CN111996852A CN202010509167.6A CN202010509167A CN111996852A CN 111996852 A CN111996852 A CN 111996852A CN 202010509167 A CN202010509167 A CN 202010509167A CN 111996852 A CN111996852 A CN 111996852A Authority CN China Prior art keywords water drainage reservoir underpass pump Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents CN111996852A - Ecological intrinsic safety intensive underpass interchange drainage system CN111996852A - Ecological intrinsic safety intensive underpass interchange drainage system
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