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发明名称
Security Access System
摘要
申请公布号
CA2197367(A1)
申请公布日期
1997.11.30
申请号
CA19972197367
申请日期
1997.02.12
申请人
AT&T CORP.
发明人
MILLER, ROBERT RAYMOND II
分类号
H04L9/32;G07C9/00;G07F7/10;H04M1/66;H04M1/67;H04Q7/38;(IPC1-7):H04L9/32
主分类号
H04L9/32
代理机构
代理人
主权项
地址
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