Improvements in pick-ups,申请号GB19440017310-传众专利搜索

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发明名称	Improvements in pick-ups
摘要
申请公布号	GB591865(A)	申请公布日期	1947.09.01
申请号	GB19440017310	申请日期	1944.09.11
申请人	THE ZENITH RADIO CORPORATION	发明人
分类号	H04R9/12;H04R11/08	主分类号	H04R9/12
代理机构		代理人
主权项
地址

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