Oil production control device,申请号US19400353862-传众专利搜索

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发明名称	Oil production control device
摘要
申请公布号	US2292345(A)	申请公布日期	1942.08.11
申请号	US19400353862	申请日期	1940.08.23
申请人	REDA PUMP COMPANY	发明人	ARUTUNOFF ARMAIS
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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