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经营范围
发明名称
Method and apparatus for synchronizing an adaptable security level in an electronic communication
摘要
申请公布号
GB0721922(D0)
申请公布日期
2007.12.19
申请号
GB20070021922
申请日期
2004.08.19
申请人
CERTICOM CORP
发明人
分类号
H04L9/00;H04L12/22;H04L12/56;H04L29/06
主分类号
H04L9/00
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代理人
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