Improvements in or relating to methods of signalling by means of modulated energy, for example wireless telephony,申请号GB19290030801-传众专利搜索

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发明名称	Improvements in or relating to methods of signalling by means of modulated energy, for example wireless telephony
摘要
申请公布号	GB340060(A)	申请公布日期	1930.12.24
申请号	GB19290030801	申请日期	1929.10.10
申请人	TELEFUNKEN GESELLSCHAFT FUR DRAHTLOSE TELEGRAPHIE, M.B.H.	发明人
分类号	B63B35/74;H03C5/00	主分类号	B63B35/74
代理机构		代理人
主权项
地址

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