Haut-parleur électrodynamique à membrane flottante,申请号FRD800660-传众专利搜索

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发明名称	Haut-parleur électrodynamique à membrane flottante
摘要
申请公布号	FR800660(A)	申请公布日期	1936.07.16
申请号	FRD800660	申请日期	1935.04.15
申请人		发明人	JOSEPH BRAMI
分类号	H04R9/04	主分类号	H04R9/04
代理机构		代理人
主权项
地址

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