Tetnings- og forankringsinnretning for et brönnverktöy,申请号NO19970005411-传众专利搜索

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发明名称	Tetnings- og forankringsinnretning for et brönnverktöy
摘要
申请公布号	NO975411(D0)	申请公布日期	1997.11.25
申请号	NO19970005411	申请日期	1997.11.25
申请人	CAMCO INTERNATIONAL INC	发明人	PRINGLE, RONALD E.
分类号	E21B23/01;E21B33/12;E21B33/128;E21B33/129;(IPC1-7):E21B	主分类号	E21B23/01
代理机构		代理人
主权项
地址

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