Regenerative cable repeaters for telegraph systems,申请号GB19300023653-传众专利搜索

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发明名称	Regenerative cable repeaters for telegraph systems
摘要
申请公布号	GB360474(A)	申请公布日期	1931.11.09
申请号	GB19300023653	申请日期	1930.08.07
申请人	ALDER FOSTER CONNERY;INTERNATIONAL COMMUNICATIONS LABORATORIES, INC.	发明人
分类号	H04L25/04;H04L25/42	主分类号	H04L25/04
代理机构		代理人
主权项
地址

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