Perfectionnements aux machines pour perforer les cartes à enregistrements de statistiques,申请号FRD848498-传众专利搜索

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发明名称	Perfectionnements aux machines pour perforer les cartes à enregistrements de statistiques
摘要
申请公布号	FR848498(A)	申请公布日期	1939.10.31
申请号	FRD848498	申请日期	1939.01.05
申请人	POWERS ACCOUNTING MACHINES LIMITED	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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