FLOW, NO-FLOW DEVICE,申请号CAD904709-传众专利搜索

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发明名称	FLOW, NO-FLOW DEVICE
摘要
申请公布号	CA904709(A)	申请公布日期	1972.07.11
申请号	CAD904709	申请日期
申请人	JIMMIE N. HOOVER	发明人	JIMMIE N. HOOVER
分类号	E21B43/00;E21B43/12;E21B47/008;F04B49/02;F16K31/02;F16K31/08;G01F1/26;G01L5/04;G01P13/00;H01H35/40;H01H36/02;(IPC1-7):E21B43/00;E21B47/00	主分类号	E21B43/00
代理机构		代理人
主权项
地址

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