System of and apparatus for flowing wells,申请号US19450572490-传众专利搜索

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发明名称	System of and apparatus for flowing wells
摘要
申请公布号	US2405324(A)	申请公布日期	1946.08.06
申请号	US19450572490	申请日期	1945.01.12
申请人	NIXON JEDDY D	发明人	NIXON JEDDY D.
分类号	E21B43/12	主分类号	E21B43/12
代理机构		代理人
主权项
地址

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