Improvements in or relating to electro-magnetic coils for loud speakers and telephone receivers,申请号GB19350015956-传众专利搜索

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发明名称	Improvements in or relating to electro-magnetic coils for loud speakers and telephone receivers
摘要
申请公布号	GB462224(A)	申请公布日期	1937.03.01
申请号	GB19350015956	申请日期	1935.06.01
申请人	RADU STOLOJIAN	发明人
分类号	H04M1/02;H04R11/00	主分类号	H04M1/02
代理机构		代理人
主权项
地址

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