Novel or improved means for use more especially in displaying and changing musical score,申请号US19430513449-传众专利搜索

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发明名称	Novel or improved means for use more especially in displaying and changing musical score
摘要
申请公布号	US2401612(A)	申请公布日期	1946.06.04
申请号	US19430513449	申请日期	1943.12.08
申请人	NORAH CARRINGTON BEATRICE	发明人	CARRINGTON BEATRICE NORAH
分类号	G03B23/10	主分类号	G03B23/10
代理机构		代理人
主权项
地址

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