Avertisseur sonore électrique,申请号FRD722302-传众专利搜索

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法人/股东/高管

发明名称	Avertisseur sonore électrique
摘要
申请公布号	FR722302(A)	申请公布日期	1932.03.15
申请号	FRD722302	申请日期	1930.11.25
申请人	LES FILS DE LOUIS TESTE	发明人
分类号	G10K9/15	主分类号	G10K9/15
代理机构		代理人
主权项
地址

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