ELECTRONIC CHORD SELECTION DEVICE FOR A MUSICAL INSTRUMENT,申请号CAD893233-传众专利搜索

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发明名称	ELECTRONIC CHORD SELECTION DEVICE FOR A MUSICAL INSTRUMENT
摘要
申请公布号	CA893233(A)	申请公布日期	1972.02.15
申请号	CAD893233	申请日期
申请人	ALFRED B. FREEMAN	发明人	ALFRED B. FREEMAN
分类号	G10H1/00;G10H1/38;G10H5/00;(IPC1-7):G10H1/00	主分类号	G10H1/00
代理机构		代理人
主权项
地址

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