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发明名称
Security devices
摘要
申请公布号
GB2049030(A)
申请公布日期
1980.12.17
申请号
GB19790002800
申请日期
1979.01.26
申请人
FREGNI B
发明人
分类号
E05D15/02;E05G5/00;E05G5/02;(IPC1-7):E05G5/02;E05F15/20;G01V3/11
主分类号
E05D15/02
代理机构
代理人
主权项
地址
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