Electronic circuit for frequency conversion,申请号US19400371857-传众专利搜索

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发明名称	Electronic circuit for frequency conversion
摘要
申请公布号	US2306378(A)	申请公布日期	1942.12.29
申请号	US19400371857	申请日期	1940.12.27
申请人	THE W. S. TYLER COMPANY	发明人	BROWN HUGH E.
分类号	H02M5/00	主分类号	H02M5/00
代理机构		代理人
主权项
地址

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