Telegraph repeater for uniform impulse code,申请号US19300427827-传众专利搜索

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发明名称	Telegraph repeater for uniform impulse code
摘要
申请公布号	US1914328(A)	申请公布日期	1933.06.13
申请号	US19300427827	申请日期	1930.02.12
申请人	THE WESTERN UNION TELEGRAPH COMPANY	发明人	HAGLUND HAKON H.
分类号	H04L25/04;H04L25/40	主分类号	H04L25/04
代理机构		代理人
主权项
地址

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