Musical instrument of the flute type,申请号US19380236058-传众专利搜索

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发明名称	Musical instrument of the flute type
摘要
申请公布号	US2202410(A)	申请公布日期	1940.05.28
申请号	US19380236058	申请日期	1938.10.20
申请人	WALBERG BERNARD E	发明人	WALBERG BERNARD E.
分类号	G10D7/02	主分类号	G10D7/02
代理机构		代理人
主权项
地址

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