Radio-gramophone plug-switch valve-holder,申请号GB19320025979-传众专利搜索

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发明名称	Radio-gramophone plug-switch valve-holder
摘要
申请公布号	GB394523(A)	申请公布日期	1933.06.29
申请号	GB19320025979	申请日期	1932.09.19
申请人	CHARLES BERWIN;ARTHUR BERWIN	发明人
分类号	H01H19/58	主分类号	H01H19/58
代理机构		代理人
主权项
地址

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