CUTTER SHAPES FOR ROCK DRILLING WITH DRAG BITS,申请号IL19790058031-传众专利搜索

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发明名称	CUTTER SHAPES FOR ROCK DRILLING WITH DRAG BITS
摘要
申请公布号	IL58031(A)	申请公布日期	1982.08.31
申请号	IL19790058031	申请日期	1979.08.13
申请人	GEN ELECTRIC	发明人
分类号	E21B10/46;E21B10/56;E21B10/567;E21B10/58;(IPC1-7):E21B10/46	主分类号	E21B10/46
代理机构		代理人
主权项
地址

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