Frequency conversion circuits,申请号US19530398120-传众专利搜索

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发明名称	Frequency conversion circuits
摘要
申请公布号	US2776373(A)	申请公布日期	1957.01.01
申请号	US19530398120	申请日期	1953.12.14
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	MISCHLER WARREN D.
分类号	H03B19/03;H04J1/06	主分类号	H03B19/03
代理机构		代理人
主权项
地址

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