Phonograph stylus assembly,申请号US19550540219-传众专利搜索

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发明名称	Phonograph stylus assembly
摘要
申请公布号	US2820853(A)	申请公布日期	1958.01.21
申请号	US19550540219	申请日期	1955.10.13
申请人	GENERAL ELECTRIC COMPANY	发明人	DALLY ROY
分类号	H04R1/16;H04R11/08;H04R11/10	主分类号	H04R1/16
代理机构		代理人
主权项
地址

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