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发明名称
Door lock
摘要
申请公布号
US2118481(A)
申请公布日期
1938.05.24
申请号
US19370130380
申请日期
1937.03.11
申请人
STEEN GEORGE E
发明人
STEEN GEORGE E.
分类号
E05B65/32
主分类号
E05B65/32
代理机构
代理人
主权项
地址
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