Improvements in or relating to record cards, tapes or the like supports, and the recording of magnetic marks on such supports,申请号GB19510005125-传众专利搜索

发明名称	Improvements in or relating to record cards, tapes or the like supports, and the recording of magnetic marks on such supports
摘要
申请公布号	GB686289(A)	申请公布日期	1953.01.21
申请号	GB19510005125	申请日期	1951.03.02
申请人	COMPAGNIE DES MACHINES BULL	发明人
分类号	G06K19/02	主分类号	G06K19/02
代理机构		代理人
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