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发明名称
Door securing device
摘要
申请公布号
US1833710(A)
申请公布日期
1931.11.24
申请号
US19300472817
申请日期
1930.08.04
申请人
GEARHART JAMES W
发明人
GEARHART JAMES W.
分类号
E05C19/18
主分类号
E05C19/18
代理机构
代理人
主权项
地址
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