PUMP-OUT PLUG SYSTEM,申请号GB19870020684-传众专利搜索

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发明名称	PUMP-OUT PLUG SYSTEM
摘要
申请公布号	GB8720684(D0)	申请公布日期	1987.10.07
申请号	GB19870020684	申请日期	1987.09.03
申请人	CAMCO INC	发明人
分类号	E21B23/02;E21B33/12;E21B34/06;E21B34/14;(IPC1-7):E21B33/12	主分类号	E21B23/02
代理机构		代理人
主权项
地址

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