Dispositif d'amplification du son des instruments à vent,申请号FR19640992260-传众专利搜索

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发明名称	Dispositif d'amplification du son des instruments à vent
摘要
申请公布号	FR86636(E)	申请公布日期	1966.03.11
申请号	FR19640992260	申请日期	1964.10.22
申请人	HENRI SELMER & COMPAGNIE	发明人
分类号	G10H3/00	主分类号	G10H3/00
代理机构		代理人
主权项
地址

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