Sourdine automatique pour violons et autres instruments de musique,申请号FRD714760-传众专利搜索

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发明名称	Sourdine automatique pour violons et autres instruments de musique
摘要
申请公布号	FR714760(A)	申请公布日期	1931.11.19
申请号	FRD714760	申请日期	1931.04.03
申请人		发明人	BEUSCHER PAUL
分类号	G10D3/04	主分类号	G10D3/04
代理机构		代理人
主权项
地址

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