WELL PACKER DEVICE,申请号EP19840307620-传众专利搜索

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发明名称	WELL PACKER DEVICE
摘要
申请公布号	EP0143572(B1)	申请公布日期	1988.09.21
申请号	EP19840307620	申请日期	1984.11.05
申请人	HALLIBURTON COMPANY	发明人	FORE, WILLIAM MICHAEL
分类号	E21B33/129;(IPC1-7):E21B33/129	主分类号	E21B33/129
代理机构		代理人
主权项
地址

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