Perfectionnements aux vérificatrices pour cartes perforées,申请号FRD49899-传众专利搜索

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发明名称	Perfectionnements aux vérificatrices pour cartes perforées
摘要
申请公布号	FR49899(E)	申请公布日期	1939.08.22
申请号	FRD49899	申请日期	1938.10.26
申请人	COMPAGNIE DES MACHINES BULL	发明人
分类号	G06K5/00	主分类号	G06K5/00
代理机构		代理人
主权项
地址

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