Typewriter for typing music notes,申请号US19480020963-传众专利搜索

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发明名称	Typewriter for typing music notes
摘要
申请公布号	US2542632(A)	申请公布日期	1951.02.20
申请号	US19480020963	申请日期	1948.04.14
申请人	DAL MOLIN ARMANDO	发明人	MOLIN ARMANDO DAL
分类号	B41J3/34	主分类号	B41J3/34
代理机构		代理人
主权项
地址

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