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发明名称
Duct turn
摘要
申请公布号
US2292246(A)
申请公布日期
1942.08.04
申请号
US19380227247
申请日期
1938.08.29
申请人
THE PHILIP CAREY MANUFACTURING COMPANY
发明人
STEFFENS RICHARD B.
分类号
F24F13/08
主分类号
F24F13/08
代理机构
代理人
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地址
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