Method of multistage manufacturing a ground bore,申请号AU20080201450-传众专利搜索

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发明名称	Method of multistage manufacturing a ground bore
摘要
申请公布号	AU2008201450(B2)	申请公布日期	2010.12.09
申请号	AU20080201450	申请日期	2008.03.28
申请人	TRACTO-TECHNIK GMBH & CO. KG	发明人	ANDREA JULIA EWALD
分类号	E21B7/04;E21B7/28	主分类号	E21B7/04
代理机构		代理人
主权项
地址

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