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发明名称
SECURITY BLIND
摘要
申请公布号
GB9003848(D0)
申请公布日期
1990.04.18
申请号
GB19900003848
申请日期
1990.02.20
申请人
HANCOCK, LESLIE;TONGE, JOHN J
发明人
分类号
G08B13/12
主分类号
G08B13/12
代理机构
代理人
主权项
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