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摘要
申请公布号
CA2171656(A1)
申请公布日期
1996.09.28
申请号
CA19962171656
申请日期
1996.03.13
申请人
INTERNATIONAL VERIFACT INC.
发明人
WONG, YIU KONG;GROVES, DAVID HENRY;HEMY, MARTIN FREDERICK
分类号
G06K13/06;G06K13/08;G06K17/00;(IPC1-7):G06K19/073
主分类号
G06K13/06
代理机构
代理人
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