DETACHABLE ROLLER BIT ROTARY CONE CUTTER,申请号AU19800058984-传众专利搜索

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发明名称	DETACHABLE ROLLER BIT ROTARY CONE CUTTER
摘要
申请公布号	AU539088(B2)	申请公布日期	1984.09.13
申请号	AU19800058984	申请日期	1980.06.03
申请人	KENNAMETAL INC.	发明人	ROBERT D. GOODFELLOW
分类号	E21B10/18;E21B10/20;E21B10/24;(IPC1-7):E21B10/20	主分类号	E21B10/18
代理机构		代理人
主权项
地址

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