Electrical follow-up system,申请号US19390308374-传众专利搜索

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发明名称	Electrical follow-up system
摘要
申请公布号	US2436807(A)	申请公布日期	1948.03.02
申请号	US19390308374	申请日期	1939.12.09
申请人	THE SPERRY CORPORATION	发明人	ISBISTER ERIC J.
分类号	G05D3/12	主分类号	G05D3/12
代理机构		代理人
主权项
地址

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