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发明名称
Document or message security arrangements
摘要
申请公布号
GB9715411(D0)
申请公布日期
1997.09.24
申请号
GB19970015411
申请日期
1997.07.23
申请人
CHANTILLEY CORP LTD
发明人
分类号
G09C1/00;H04L9/32
主分类号
G09C1/00
代理机构
代理人
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