Liner packer for wells,申请号US19550480793-传众专利搜索

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发明名称	Liner packer for wells
摘要
申请公布号	US2884069(A)	申请公布日期	1959.04.28
申请号	US19550480793	申请日期	1955.01.10
申请人	BROWN CICERO C	发明人	BROWN CICERO C.
分类号	E21B33/124	主分类号	E21B33/124
代理机构		代理人
主权项
地址

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