doctor

With Certificate of Graduation for Doctorate Study

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Gender:Male
Date of Employment:2014-06-01

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一种电力机车用炭-炭-石墨-铜受电弓滑板的制备方法

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Type of Patent:发明
State of Patent:已授权
Authorization number:201410788801.9
Service Invention or Not:no
Application Date:2014-12-19
Authorization Date:2017-01-25