Multichannel telephone carrier system,申请号US19540456730-传众专利搜索

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发明名称	Multichannel telephone carrier system
摘要
申请公布号	US2871293(A)	申请公布日期	1959.01.27
申请号	US19540456730	申请日期	1954.09.17
申请人	INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION	发明人	JR. ARTHUR J. RADCLIFFE,
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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