High-frequency electrical communication system,申请号US19420468572-传众专利搜索

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发明名称	High-frequency electrical communication system
摘要
申请公布号	US2406803(A)	申请公布日期	1946.09.03
申请号	US19420468572	申请日期	1942.12.10
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人	CHATTERJEA PRAFULLA KUMAR;HOUGHTON LESLIE WILFRED
分类号	H03K7/00;H04B14/02;H04J3/04;H04J3/12	主分类号	H03K7/00
代理机构		代理人
主权项
地址

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