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发明名称
Permutation lock
摘要
申请公布号
US2245741(A)
申请公布日期
1941.06.17
申请号
US19400341828
申请日期
1940.06.22
申请人
CLUM MANUFACTURING COMPANY
发明人
WINNING ROBERT K.
分类号
E05B37/10
主分类号
E05B37/10
代理机构
代理人
主权项
地址
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