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发明名称
Security devices
摘要
申请公布号
GB9708655(D0)
申请公布日期
1997.06.18
申请号
GB19970008655
申请日期
1997.04.30
申请人
GREENWOOD, HILBERT W
发明人
分类号
E05C1/04;E05C17/36
主分类号
E05C1/04
代理机构
代理人
主权项
地址
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