Quarter-tone keyboard musical instrument,申请号US19300433547-传众专利搜索

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发明名称	Quarter-tone keyboard musical instrument
摘要
申请公布号	US1851168(A)	申请公布日期	1932.03.29
申请号	US19300433547	申请日期	1930.03.06
申请人	GERHARD FORSTER FRANZ AUGUST	发明人	FORSTER FRANZ AUGUST GERHARD
分类号	G10C9/00	主分类号	G10C9/00
代理机构		代理人
主权项
地址

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