Method and device for core drilling,申请号AU20090263053-传众专利搜索

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发明名称	Method and device for core drilling
摘要
申请公布号	AU2009263053(A1)	申请公布日期	2009.12.30
申请号	AU20090263053	申请日期	2009.06.08
申请人	ATLAS COPCO ROCK DRILLS AB	发明人	JOHAN BROSTROM
分类号	E21B25/00;E21B47/09	主分类号	E21B25/00
代理机构		代理人
主权项
地址

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