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发明名称
SECURITY DEVICE
摘要
申请公布号
GB2197516(B)
申请公布日期
1990.10.03
申请号
GB19870026792
申请日期
1987.11.16
申请人
JOHN BRYAN * CLOUGH
发明人
JOHN BRYAN * CLOUGH
分类号
G08B13/14;(IPC1-7):G08B13/14
主分类号
G08B13/14
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