MULTIPLE POCKET MANDREL WITH FLUID BYPASS,申请号GB19780042572-传众专利搜索

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发明名称	MULTIPLE POCKET MANDREL WITH FLUID BYPASS
摘要
申请公布号	GB2011504(B)	申请公布日期	1982.03.17
申请号	GB19780042572	申请日期	1978.10.31
申请人	CAMCO INC	发明人
分类号	E21B23/03;(IPC1-7):E21B43/12	主分类号	E21B23/03
代理机构		代理人
主权项
地址

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