Improvements in or relating to code communication systems,申请号GB19520000708-传众专利搜索

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发明名称	Improvements in or relating to code communication systems
摘要
申请公布号	GB717142(A)	申请公布日期	1954.10.20
申请号	GB19520000708	申请日期	1952.01.09
申请人	GENERAL RAILWAY SIGNAL COMPANY	发明人
分类号	B61L7/08	主分类号	B61L7/08
代理机构		代理人
主权项
地址

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