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发明名称
Retro-directional collection system for data reading
摘要
申请公布号
GB9930582(D0)
申请公布日期
2000.02.16
申请号
GB19990030582
申请日期
1999.12.23
申请人
PSC SCANNING, INC.
发明人
分类号
G06K7/10
主分类号
G06K7/10
代理机构
代理人
主权项
地址
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