Pendule électronique fluorescente,申请号FRD1136757-传众专利搜索

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发明名称	Pendule électronique fluorescente
摘要
申请公布号	FR1136757(A)	申请公布日期	1957.05.20
申请号	FRD1136757	申请日期	1954.12.15
申请人		发明人	DUCROCQ LOUIS-FRANCOIS
分类号	G04G9/04	主分类号	G04G9/04
代理机构		代理人
主权项
地址

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