Tape movement check in a telegraph system,申请号US19530388329-传众专利搜索

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发明名称	Tape movement check in a telegraph system
摘要
申请公布号	US2770675(A)	申请公布日期	1956.11.13
申请号	US19530388329	申请日期	1953.10.26
申请人	AUTOMATIC ELECTRIC LABORATORIES, INC.	发明人	JOHNSTON LEITH;MCCREARY HAROLD J.;STILES RICHARD C.
分类号	H04L13/06	主分类号	H04L13/06
代理机构		代理人
主权项
地址

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