Improvements in or relating to electro-magnetic pick-ups for use with gramophones and the like,申请号GB19280031092-传众专利搜索

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发明名称	Improvements in or relating to electro-magnetic pick-ups for use with gramophones and the like
摘要
申请公布号	GB324636(A)	申请公布日期	1930.01.27
申请号	GB19280031092	申请日期	1928.10.26
申请人	CHARLES BERRAGE-MOULTON	发明人
分类号	H04R11/08	主分类号	H04R11/08
代理机构		代理人
主权项
地址

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