Affilication of Author(s):土建与水利学院
Patent Applicant:lichuanqi
Type of Patent:发明
Application Number:201810668574.4
Number of Inventors:1
Service Invention or Not:no
Application Date:2018-06-26
lichuanqi
Professor
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一种洪涝灾害下安全井盖组合结构及方法
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