GRIP HEAD FOR AN EARTH BORING UNIT,申请号EP20090737875-传众专利搜索

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发明名称	GRIP HEAD FOR AN EARTH BORING UNIT
摘要
申请公布号	EP2268888(A2)	申请公布日期	2011.01.05
申请号	EP20090737875	申请日期	2009.04.29
申请人	SCHEIDER, DIETMAR	发明人	SCHEIDER, DIETMAR
分类号	E21B19/07	主分类号	E21B19/07
代理机构		代理人
主权项
地址

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