Phonograph,申请号US19410389268-传众专利搜索

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发明名称	Phonograph
摘要
申请公布号	US2300923(A)	申请公布日期	1942.11.03
申请号	US19410389268	申请日期	1941.04.19
申请人	THOMAS A. EDISON, INCORPORATED	发明人	HORNOR AURELIUS P.
分类号	B23Q11/00	主分类号	B23Q11/00
代理机构		代理人
主权项
地址

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