Musical instrument,申请号US19370158989-传众专利搜索

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发明名称	Musical instrument
摘要
申请公布号	US2156711(A)	申请公布日期	1939.05.02
申请号	US19370158989	申请日期	1937.08.13
申请人	FRANK WATSCHINGER;ALBERT SCHLECHT	发明人	WATSCHINGER FRANK;SCHLECHT ALBERT
分类号	G10D13/00	主分类号	G10D13/00
代理机构		代理人
主权项
地址

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