Stylus for making sound records,申请号US19320637961-传众专利搜索

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发明名称	Stylus for making sound records
摘要
申请公布号	US2017696(A)	申请公布日期	1935.10.15
申请号	US19320637961	申请日期	1932.10.15
申请人	WALTHER HESSE	发明人	HESSE WALTHER
分类号	G11B3/48	主分类号	G11B3/48
代理机构		代理人
主权项
地址

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