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发明名称
Fire safety damper units
摘要
申请公布号
US3076469(A)
申请公布日期
1963.02.05
申请号
US19610099227
申请日期
1961.03.29
申请人
TITUS MANUFACTURING CORPORATION
发明人
AVERILL EUGENE F.
分类号
A62C2/14;F16K17/38
主分类号
A62C2/14
代理机构
代理人
主权项
地址
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