Improvements in ciphering systems and apparatus particularly for use in telegraph signalling systems,申请号GB19340023796-传众专利搜索

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发明名称	Improvements in ciphering systems and apparatus particularly for use in telegraph signalling systems
摘要
申请公布号	GB442602(A)	申请公布日期	1936.02.12
申请号	GB19340023796	申请日期	1934.08.17
申请人	CREED AND COMPANY, LIMITED;REGINALD DENNIS SALMON	发明人
分类号	H04L9/00;H04L9/38	主分类号	H04L9/00
代理机构		代理人
主权项
地址

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