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发明名称
Combination lock
摘要
申请公布号
US2289234(A)
申请公布日期
1942.07.07
申请号
US19400369453
申请日期
1940.12.10
申请人
EVALD BERGGREN HERNFRID
发明人
BERGGREN HERNFRID EVALD
分类号
E05B37/00
主分类号
E05B37/00
代理机构
代理人
主权项
地址
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