周宗青
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Patents
一种隧道防水板拉链式连接系统及其施工方法
2021-05-21 Hits:
Affilication of Author(s):岩土与结构工程研究中心
Type of Patent:发明
Application Number:201910702404.8
Number of Inventors:3
Service Invention or Not:no
Application Date:2019-07-31
Publication Date:2021-04-13
Authorization Date:2021-04-13
Publication Date:2021-04-13
Application Date:2019-07-31
Authorization Date:2021-04-13
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