METHOD OF CHECKING CARD FILE ACTIVITY,申请号USD3721343-传众专利搜索

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发明名称	METHOD OF CHECKING CARD FILE ACTIVITY
摘要
申请公布号	US3721343(A)	申请公布日期	1973.03.20
申请号	USD3721343	申请日期	1971.05.21
申请人	MOSLER SAFE CO,US	发明人	MUSTAIN L,US
分类号	G06K17/00;(IPC1-7):B07C3/10	主分类号	G06K17/00
代理机构		代理人
主权项
地址

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