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发明名称
SOLID STATE KEY FOR CONTROLLING ACCESS TO COMPUTER SOFTWARE
摘要
申请公布号
EP0172239(B1)
申请公布日期
1989.05.03
申请号
EP19850901253
申请日期
1985.02.21
申请人
THUMBSCAN INC.
发明人
CARGILE, WILLIAM, P.
分类号
G06F11/00;G06F21/00;G06F21/22;G07C9/00;G07F7/10
主分类号
G06F11/00
代理机构
代理人
主权项
地址
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