Release Time:2019-04-15 |
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李树忱
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Gender:Male
Patents
用于软弱破碎围岩隧道超前支护的翼型板超前小导管
Institution:岩土与结构工程研究中心
Type of Patent:发明
Application Number:201210119505.0
Number of Inventors:1
Service Invention or Not:No
Application Date:2012-04-23
Publication Date:2014-06-18
Authorization Date:2014-06-18