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发明名称
Method and apparatus for monitoring crowds
摘要
申请公布号
GB0118452(D0)
申请公布日期
2001.09.19
申请号
GB20010018452
申请日期
2001.07.27
申请人
HEWLETT-PACKARD COMPANY
发明人
分类号
A61B5/16;H04H60/32
主分类号
A61B5/16
代理机构
代理人
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