Release Time:2021-05-27 |
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李树忱
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Gender:Male
Patents
一种用于加固隧道洞口的可切割材料
Institution:齐鲁交通学院
Type of Patent:Invent
Application Number:202010364181.1
Number of Inventors:1
Service Invention or Not:No
Application Date:2020-04-30
Publication Date:2021-06-29
Authorization Date:2021-06-29