Period and frequency measuring instrument,申请号US19870013060-传众专利搜索

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发明名称	Period and frequency measuring instrument
摘要
申请公布号	USRE32845(E)	申请公布日期	1989.01.24
申请号	US19870013060	申请日期	1987.02.10
申请人		发明人
分类号	G01R23/02;G01R23/10;G04F10/04	主分类号	G01R23/02
代理机构		代理人
主权项
地址

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