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发明名称
Combination lock
摘要
申请公布号
US2896439(A)
申请公布日期
1959.07.28
申请号
US19570649693
申请日期
1957.04.01
申请人
HOLMBERG EUGENE W
发明人
HOLMBERG EUGENE W.
分类号
E05B37/16
主分类号
E05B37/16
代理机构
代理人
主权项
地址
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