Hydraulic jet drilling method using ferrous abrasives,申请号US19650516290-传众专利搜索

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发明名称	Hydraulic jet drilling method using ferrous abrasives
摘要
申请公布号	US3416614(A)	申请公布日期	1968.12.17
申请号	US19650516290	申请日期	1965.12.27
申请人	GULF RESEARCH & DEVELOPMENT COMPANY	发明人	GOODWIN ROBERT J.;MORI ERNEST A.;PEKAREK JOSEPH L.;SCHAUB PAUL W.;ZINKHAM ROBERT E.
分类号	E21B7/18	主分类号	E21B7/18
代理机构		代理人
主权项
地址

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