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经营范围
发明名称
Flow control damper
摘要
申请公布号
US3286732(A)
申请公布日期
1966.11.22
申请号
US19630255794
申请日期
1963.02.04
申请人
THE AMERICAN WARMING & VENTILATING, INC.
发明人
ALLEY RAYMOND L.
分类号
F16K1/16;F24F11/04;F24F13/15
主分类号
F16K1/16
代理机构
代理人
主权项
地址
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