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发明名称
MOTOR OPERATED FIRE DAMPER
摘要
申请公布号
GB8329251(D0)
申请公布日期
1983.12.07
申请号
GB19830029251
申请日期
1983.11.02
申请人
RUSKIN MFG CO
发明人
分类号
F24F13/15;A62C2/14;A62C2/24;(IPC1-7):F24F7/00
主分类号
F24F13/15
代理机构
代理人
主权项
地址
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