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经营范围
发明名称
Lock construction
摘要
申请公布号
US1938339(A)
申请公布日期
1933.12.05
申请号
US19300480835
申请日期
1930.09.10
申请人
FRANCIS KEIL & SON, INC.
发明人
KEIL HENRY F.
分类号
E05B65/08
主分类号
E05B65/08
代理机构
代理人
主权项
地址
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