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发明名称
Free access control
摘要
申请公布号
US3219979(A)
申请公布日期
1965.11.23
申请号
US19600016434
申请日期
1960.03.21
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BESPALKO STEPHEN;EVANS JAMES R.;KLOTZ RAYMOND J.
分类号
G06F13/16
主分类号
G06F13/16
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代理人
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地址
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