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Date of Employment:2006-07-16

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一种高风压潜孔钻机定向排尘降尘罩

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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:发明
Application Number:201410811045.7
Number of Inventors:2
Service Invention or Not:no
Application Date:2014-12-22
Publication Date:2017-06-13
Authorization Date:2017-06-13

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