Приспособление для усиления звучности и длительности звучания струнных музыкальных инструментов,申请号SU19330139364-传众专利搜索

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发明名称	Приспособление для усиления звучности и длительности звучания струнных музыкальных инструментов
摘要
申请公布号	SU42782(A1)	申请公布日期	1935.04.30
申请号	SU19330139364	申请日期	1933.12.20
申请人	FILKOV T.K.	发明人	FILKOV T.K.
分类号	G10D3/02	主分类号	G10D3/02
代理机构		代理人
主权项
地址

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