Improvements in radio communication systems,申请号GB19390019566-传众专利搜索

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发明名称	Improvements in radio communication systems
摘要
申请公布号	GB531554(A)	申请公布日期	1941.01.07
申请号	GB19390019566	申请日期	1939.07.05
申请人	STANDARD TELEPHONES AND CABLES LIMITED;PHILIP HYLTON SPAGNOLETTI	发明人
分类号	H04B1/48;H04B1/54	主分类号	H04B1/48
代理机构		代理人
主权项
地址

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