Pick having limited angular movement, opposed directional cutting faces, and trunnion mounting therefor,申请号US19660594934-传众专利搜索

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发明名称	Pick having limited angular movement, opposed directional cutting faces, and trunnion mounting therefor
摘要
申请公布号	US3413036(A)	申请公布日期	1968.11.26
申请号	US19660594934	申请日期	1966.11.16
申请人	MINING PROGRESS INC.	发明人	PENTITH GERALD R. O.;WEBSTER FREDERICK
分类号	E21B10/00;E21C35/19	主分类号	E21B10/00
代理机构		代理人
主权项
地址

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