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Date of Employment:2006-07-16

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一种严寒地区隧道冬季施工洞口保温门

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Affilication of Author(s):岩土与结构工程研究中心
Patent Applicant:wangzhechao,xubangshu
Type of Patent:实用新型
Application Number:201420826428.7
Number of Inventors:2
Service Invention or Not:no
Application Date:2014-12-22
Publication Date:2015-07-22
Authorization Date:2015-07-22