张乾青   

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

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Language：English

Patents

Title : 可拆卸式自适应多级增阻高强中空注浆锚管

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Title:可拆卸式自适应多级增阻高强中空注浆锚管

Disigner of the Invention:lishucai,liliping,xuzhenhao

Type of Patent:实用新型

Application Number:201520050084.X

Number of Inventors:20

Service Invention or Not:no

Application Date:2015-01-23

Publication Date:2015-07-22

Authorization Date:2015-01-23

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