Control system for hydraulically actuated valves and the like,申请号US19460681749-传众专利搜索

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发明名称	Control system for hydraulically actuated valves and the like
摘要
申请公布号	US2494183(A)	申请公布日期	1950.01.10
申请号	US19460681749	申请日期	1946.07.06
申请人	LINCOLN JOHN W	发明人	LINCOLN JOHN W.
分类号	E21B34/00;F01L1/14	主分类号	E21B34/00
代理机构		代理人
主权项
地址

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