Multichannel carrier transmission system,申请号US19330701963-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	US2102472(A)	申请公布日期	1937.12.14
申请号	US19330701963	申请日期	1933.12.12
申请人	SIEMENS & HALSKE, AKTIENGESELLSCHAFT	发明人	MAYER HANS
分类号	H04J1/12	主分类号	H04J1/12
代理机构		代理人
主权项
地址

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