周宗青
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Patents
一种隧道围岩垮塌灾害模拟试验装置及方法
2021-06-09 Hits:
Type of Patent:发明
Application Number:202110558353.3
Number of Inventors:6
Service Invention or Not:no
Application Date:2021-05-21
Publication Date:2022-11-04
Authorization Date:2022-11-04
Publication Date:2022-11-04
Application Date:2021-05-21
Authorization Date:2022-11-04
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