Core drill bit with extended matrix height,申请号AU20110201713-传众专利搜索

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发明名称	Core drill bit with extended matrix height
摘要
申请公布号	AU2011201713(A1)	申请公布日期	2011.05.12
申请号	AU20110201713	申请日期	2011.04.15
申请人	LONGYEAR TM, INC.	发明人	KRISTIAN SHAYNE DRIVDAHL;MICHAEL RUPP
分类号	E21B10/26	主分类号	E21B10/26
代理机构		代理人
主权项
地址

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