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一种多级复合型耗能防舞动间隔棒
2019-09-12 Hits:
Affilication of Author(s):土建与水利学院
Patent Applicant:Tian Li
Type of Patent:发明
Application Number:201910681055.6
Number of Inventors:1
Service Invention or Not:no
Application Date:2019-07-26
Publication Date:2020-03-31
Authorization Date:2020-03-31
Publication Date:2020-03-31
Application Date:2019-07-26
Authorization Date:2020-03-31
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