Liner hanger and packer construction,申请号US19570689931-传众专利搜索

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法人/股东/高管

发明名称	Liner hanger and packer construction
摘要
申请公布号	US3108638(A)	申请公布日期	1963.10.29
申请号	US19570689931	申请日期	1957.10.14
申请人	ERWIN BURNS	发明人	BURNS ERWIN
分类号	E21B43/10	主分类号	E21B43/10
代理机构		代理人
主权项
地址

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