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经营范围
发明名称
Heat exchange apparatus
摘要
申请公布号
US2305272(A)
申请公布日期
1942.12.15
申请号
US19420432421
申请日期
1942.02.26
申请人
F. L. SMIDTH & CO.
发明人
PETERSEN LOUIS STEFFEN
分类号
F27B7/04
主分类号
F27B7/04
代理机构
代理人
主权项
地址
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