Multiplex telegraph apparatus,申请号GB19490025186-传众专利搜索

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发明名称	Multiplex telegraph apparatus
摘要
申请公布号	GB670758(A)	申请公布日期	1952.04.23
申请号	GB19490025186	申请日期	1949.09.30
申请人	TELETYPE CORPORATION	发明人
分类号	H04J3/04;H04L5/24	主分类号	H04J3/04
代理机构		代理人
主权项
地址

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