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发明名称
Door closer
摘要
申请公布号
US2634454(A)
申请公布日期
1953.04.14
申请号
US19490117663
申请日期
1949.09.24
申请人
NEWELL MANUFACTURING COMPANY
发明人
ALTENBURGER IRA O.
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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