PLAYER PIANO ATTACHMENT,申请号USD3449994-传众专利搜索

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发明名称	PLAYER PIANO ATTACHMENT
摘要
申请公布号	US3449994(A)	申请公布日期	1969.06.17
申请号	USD3449994	申请日期	1965.12.17
申请人	STEPHEN M. ORENSTEIN;LUCILLE ORENSTEIN	发明人	STEPHEN M. ORENSTEIN;LUCILLE ORENSTEIN
分类号	G10F5/02;(IPC1-7):G10F3/00	主分类号	G10F5/02
代理机构		代理人
主权项
地址

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