Perfectionnements aux classeurs de fiches,申请号FRD1024746-传众专利搜索

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发明名称	Perfectionnements aux classeurs de fiches
摘要
申请公布号	FR1024746(A)	申请公布日期	1953.04.07
申请号	FRD1024746	申请日期	1950.09.20
申请人	COMPTORGA	发明人
分类号	B42F17/28	主分类号	B42F17/28
代理机构		代理人
主权项
地址

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