Improvements relating to telegraph signalling apparatus,申请号GB19340009153-传众专利搜索

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发明名称	Improvements relating to telegraph signalling apparatus
摘要
申请公布号	GB430685(A)	申请公布日期	1935.06.24
申请号	GB19340009153	申请日期	1934.03.23
申请人	CABLE AND WIRELESS LIMITED;HARRY VERNON HIGGITT;KENNETH LINDSAY WOOD	发明人
分类号	H04L1/08	主分类号	H04L1/08
代理机构		代理人
主权项
地址

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