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发明名称
An authentication system using magnetic markers with a feedback system to control the magnetic reader field
摘要
申请公布号
GB2333666(A)
申请公布日期
1999.07.28
申请号
GB19990000975
申请日期
1999.01.15
申请人
MORTON FRAZER * ROSEMAN
发明人
MORTON FRAZER * ROSEMAN
分类号
G07D7/04;G08B13/24;(IPC1-7):G08B13/24
主分类号
G07D7/04
代理机构
代理人
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