Improvements relating to switching and control devices, especially for radio receiving apparatus,申请号GB19310020640-传众专利搜索

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发明名称	Improvements relating to switching and control devices, especially for radio receiving apparatus
摘要
申请公布号	GB381628(A)	申请公布日期	1932.10.13
申请号	GB19310020640	申请日期	1931.07.18
申请人	SIX - SIXTY RADIO COMPANY LIMITED;DOUGLAS PARKER WHEELDON	发明人
分类号	H01H19/62	主分类号	H01H19/62
代理机构		代理人
主权项
地址

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