Patent Applicant:200799014545 201294000024
Type of Patent:实用新型
Application Number:201120124970.4
Number of Inventors:4
Service Invention or Not:no
Application Date:2011-04-26
Publication Date:2011-12-07
Authorization Date:2011-04-26
Wang Hanpeng
Professor
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半刚性异型梁锚索桁架巷道支护系统
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