Electronically Controlled Earth Drilling Rig,申请号AU20070231803-传众专利搜索

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发明名称	Electronically Controlled Earth Drilling Rig
摘要
申请公布号	AU2007231803(B2)	申请公布日期	2010.02.11
申请号	AU20070231803	申请日期	2007.11.01
申请人	SCHRAMM, INC.	发明人	BRIAN DAVID BROOKOVER
分类号	E21B6/04;E21B6/00;E21B7/02	主分类号	E21B6/04
代理机构		代理人
主权项
地址

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