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发明名称
Apparatus for heating air
摘要
申请公布号
US1791561(A)
申请公布日期
1931.02.10
申请号
US19290360222
申请日期
1929.05.03
申请人
THE SURFACE COMBUSTION CORPORATION
发明人
HEYN HENRY M.;JR. FRANK H. TREMBLY,
分类号
F26B21/00
主分类号
F26B21/00
代理机构
代理人
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地址
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