ANORDNING FOR HAANDTERING AV BOREROER,申请号NO19860000800-传众专利搜索

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发明名称	ANORDNING FOR HAANDTERING AV BOREROER
摘要
申请公布号	NO172303(B)	申请公布日期	1993.03.22
申请号	NO19860000800	申请日期	1986.03.04
申请人	VARCO INT	发明人	BOYADJIEFF GEORGE I
分类号	E21B19/02;E21B19/14;E21B19/20;(IPC1-7):E21B19/14	主分类号	E21B19/02
代理机构		代理人
主权项
地址

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