Perfectionnements apportés aux dispositifs pour l'enregistrement, la transmission et la reproduction des sons,申请号FRD726190-传众专利搜索

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发明名称	Perfectionnements apportés aux dispositifs pour l'enregistrement, la transmission et la reproduction des sons
摘要
申请公布号	FR726190(A)	申请公布日期	1932.05.24
申请号	FRD726190	申请日期	1931.11.12
申请人		发明人	MABBOUX GEORGES
分类号	H04H60/04	主分类号	H04H60/04
代理机构		代理人
主权项
地址

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