INFLATABLE PACKER FOR SEALING ANNULUS,申请号EP19900304311-传众专利搜索

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发明名称	INFLATABLE PACKER FOR SEALING ANNULUS
摘要
申请公布号	EP0404305(B1)	申请公布日期	1993.03.10
申请号	EP19900304311	申请日期	1990.04.23
申请人	HALLIBURTON COMPANY	发明人	REID, LESLIE C.
分类号	E02B17/00	主分类号	E02B17/00
代理机构		代理人
主权项
地址

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