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发明名称
SMOKE AND FIRE ISOLATION DEVICE
摘要
申请公布号
US3570384(A)
申请公布日期
1971.03.16
申请号
USD3570384
申请日期
1969.07.09
申请人
WALLACE C. MCLEOD
发明人
WALLACE C. MCLEOD
分类号
A62C2/06;(IPC1-7):E05F15/20;F24F11/02
主分类号
A62C2/06
代理机构
代理人
主权项
地址
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