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发明名称
SECURITY DEVICE
摘要
申请公布号
GB9010230(D0)
申请公布日期
1990.06.27
申请号
GB19900010230
申请日期
1990.05.05
申请人
SPENCE, GORDON
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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