Flow control valve,申请号US19670660489-传众专利搜索

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法人/股东/高管

发明名称	Flow control valve
摘要
申请公布号	US3412805(A)	申请公布日期	1968.11.26
申请号	US19670660489	申请日期	1967.08.14
申请人	GRIBBIN	发明人	GRIBBIN FRANKLIN P.;GLOVER HAROLD A.
分类号	E21B33/124;E21B34/12	主分类号	E21B33/124
代理机构		代理人
主权项
地址

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