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发明名称
Door lock
摘要
申请公布号
US2662388(A)
申请公布日期
1953.12.15
申请号
US19490092107
申请日期
1949.05.09
申请人
HILLGREN CARL A
发明人
HILLGREN CARL A.
分类号
E05B55/00
主分类号
E05B55/00
代理机构
代理人
主权项
地址
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