Hall effect frequency responsive system,申请号US19640374033-传众专利搜索

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发明名称	Hall effect frequency responsive system
摘要
申请公布号	US3320541(A)	申请公布日期	1967.05.16
申请号	US19640374033	申请日期	1964.06.10
申请人	BECKMAN INSTRUMENTS, INC.	发明人	SILVERMAN DAVID
分类号	H03B19/00	主分类号	H03B19/00
代理机构		代理人
主权项
地址

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