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发明名称
Attic louver
摘要
申请公布号
US2555626(A)
申请公布日期
1951.06.05
申请号
US19490098032
申请日期
1949.06.09
申请人
HENRY AVERS;GROUND JAMES W
发明人
AVERS HENRY;GROUND JAMES W.
分类号
F24F13/08
主分类号
F24F13/08
代理机构
代理人
主权项
地址
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