Zhang Jianhua
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一种深井救援装置及方法
Release Time:2021-09-19| Hits:
Title:一种深井救援装置及方法
Institution:机械工程学院
Type of Patent:Invent
Application Number:202010092460.7
Number of Inventors:1
Service Invention or Not:No
Application Date:2020-02-14
Publication Date:2021-08-31
Authorization Date:2021-08-31
Release Time:2021-09-19
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