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发明名称
Slide damper for ventilating outlet
摘要
申请公布号
US2909983(A)
申请公布日期
1959.10.27
申请号
US19570671821
申请日期
1957.07.15
申请人
SCHECK CHARLES J;WILLIAM SCHECK
发明人
SCHECK CHARLES J.;SCHECK WILLIAM
分类号
F24F13/12
主分类号
F24F13/12
代理机构
代理人
主权项
地址
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