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发明名称
Door stop
摘要
申请公布号
US2456843(A)
申请公布日期
1948.12.21
申请号
US19460679002
申请日期
1946.06.24
申请人
SEMEYN LEONARD J
发明人
SEMEYN LEONARD J.
分类号
E05C17/54
主分类号
E05C17/54
代理机构
代理人
主权项
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