Torque-resistant slip,申请号GB19970001606-传众专利搜索

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发明名称	Torque-resistant slip
摘要
申请公布号	GB9701606(D0)	申请公布日期	1997.03.19
申请号	GB19970001606	申请日期	1997.01.27
申请人	BAKER HUGHES INCORPORATED	发明人
分类号	E21B23/06;E21B33/129	主分类号	E21B23/06
代理机构		代理人
主权项
地址

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