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发明名称
Lock
摘要
申请公布号
US1937777(A)
申请公布日期
1933.12.05
申请号
US19330658681
申请日期
1933.02.27
申请人
NATIONAL LOCK CO.
发明人
NORTH EDWIN W.
分类号
E05B17/14;E05B65/00
主分类号
E05B17/14
代理机构
代理人
主权项
地址
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