Method and system for measuring frequency,申请号US19460683307-传众专利搜索

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发明名称	Method and system for measuring frequency
摘要
申请公布号	US2469829(A)	申请公布日期	1949.05.10
申请号	US19460683307	申请日期	1946.07.13
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	KINZER JOHN P.
分类号	G01R23/00	主分类号	G01R23/00
代理机构		代理人
主权项
地址

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