Multichannel carrier transmission system,申请号US19440552830-传众专利搜索

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发明名称	Multichannel carrier transmission system
摘要
申请公布号	US2374567(A)	申请公布日期	1945.04.24
申请号	US19440552830	申请日期	1944.09.06
申请人	THE WESTERN UNION TELEGRAPH COMPANY	发明人	TAYLOR ROLAND C.
分类号	H04J1/04	主分类号	H04J1/04
代理机构		代理人
主权项
地址

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