张乾青   

Title:Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

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Language：English

Patents

Title : 带肋预应力管桩

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Title:带肋预应力管桩

Patent Applicant:zhangqianqing

Type of Patent:实用新型

Application Number:201320746320.2

Number of Inventors:1

Service Invention or Not:no

Application Date:2013-11-22

Publication Date:2014-06-18

Authorization Date:2013-11-22

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