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发明名称
Security encoding system
摘要
申请公布号
GB0104345(D0)
申请公布日期
2001.04.11
申请号
GB20010004345
申请日期
2001.02.22
申请人
CHURCH, ROBERT L
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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