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Patents
隧道掌子面前方探水感应装置
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Affilication of Author(s):机械工程学院
Patent Applicant:jiangqi
Type of Patent:发明
Application Number:200710114063.X
Number of Inventors:1
Service Invention or Not:no
Application Date:2007-11-14
Publication Date:2009-09-23
Authorization Date:2009-09-23
Publication Date:2009-09-23
Application Date:2007-11-14
Authorization Date:2009-09-23
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