陈刚
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Education Level:With Certificate of Graduation for Doctorate Study

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一种制作钢/铝复合导电柱的方法

Date:2019-10-23 Hits:

Type of Patent:发明

State of Patent:已授权

Authorization number:200910025662.3

Service Invention or Not:no

Application Date:2009-03-05

Authorization Date:2011-06-01

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