Printing telegraph automatic switching system,申请号US19580760511-传众专利搜索

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发明名称	Printing telegraph automatic switching system
摘要
申请公布号	US2978534(A)	申请公布日期	1961.04.04
申请号	US19580760511	申请日期	1958.09.11
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	CROWSON FRED B.;LOCKE GEORGE A.;MACLAUGHLIN RALPH R.
分类号	H04L12/54	主分类号	H04L12/54
代理机构		代理人
主权项
地址

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