LOCKING DEVICE FOR A DRILLING DEVICE,申请号CA20092673317-传众专利搜索

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发明名称	LOCKING DEVICE FOR A DRILLING DEVICE
摘要
申请公布号	CA2673317(A1)	申请公布日期	2010.05.27
申请号	CA20092673317	申请日期	2009.04.09
申请人	LES ENTREPRISES PARLEC LTEE	发明人	LAPLANTE, RAYMOND
分类号	E21B10/64;E21B25/02	主分类号	E21B10/64
代理机构		代理人
主权项
地址

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