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一种严寒地区隧道冬季施工洞口保温门

Release Time:2019-04-15 Hits:

Title:一种严寒地区隧道冬季施工洞口保温门
Institution:岩土与结构工程研究中心
Type of Patent:发明
Application Number:201410811109.3
Number of Inventors:2
Service Invention or Not:No
Application Date:2014-12-22
Release Time:2019-04-15