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发明名称
COMPUTER SYSTEM WITH PROGRAM PROTECTION APPARATUS
摘要
申请公布号
EP0417889(A3)
申请公布日期
1992.03.18
申请号
EP19900307301
申请日期
1990.07.04
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BEALKOWSKI, RICHARD;BLACKLEDGE, JOHN WILEY, JR.;CRONK, DOYLE STANFILL;DAYAN, RICHARD ALAN
分类号
G06F13/10;G06F9/445;G06F12/14;G06F21/22;(IPC1-7):G06F9/445
主分类号
G06F13/10
代理机构
代理人
主权项
地址
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