Stylus head for recording and reproducing sound records,申请号US19410374536-传众专利搜索

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发明名称	Stylus head for recording and reproducing sound records
摘要
申请公布号	US2318308(A)	申请公布日期	1943.05.04
申请号	US19410374536	申请日期	1941.01.15
申请人	ISABELLE RUSSELL HARRIS	发明人	HARRIS EDWARD ROBERT
分类号	G11B3/08	主分类号	G11B3/08
代理机构		代理人
主权项
地址

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