Horizontal inflation tool selective mandrel locking device,申请号GB19960022275-传众专利搜索

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发明名称	Horizontal inflation tool selective mandrel locking device
摘要
申请公布号	GB9622275(D0)	申请公布日期	1996.12.18
申请号	GB19960022275	申请日期	1996.10.25
申请人	BAKER HUGHES INCORPORATED	发明人
分类号	E21B23/02;E21B33/124;E21B33/127	主分类号	E21B23/02
代理机构		代理人
主权项
地址

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