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发明名称
Door check
摘要
申请公布号
US2506284(A)
申请公布日期
1950.05.02
申请号
US19460676656
申请日期
1946.06.14
申请人
THARP FRED L
发明人
THARP FRED L.
分类号
E05F1/10
主分类号
E05F1/10
代理机构
代理人
主权项
地址
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