Three-position fluid actuators for valves and the like,申请号US19660530894-传众专利搜索

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发明名称	Three-position fluid actuators for valves and the like
摘要
申请公布号	US3364943(A)	申请公布日期	1968.01.23
申请号	US19660530894	申请日期	1966.03.01
申请人	SALEM VALVE COMPANY	发明人	KELLER DENNIS B.
分类号	F15B11/18	主分类号	F15B11/18
代理机构		代理人
主权项
地址

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