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发明名称
Heat exchanger
摘要
申请公布号
US2239230(A)
申请公布日期
1941.04.22
申请号
US19400321757
申请日期
1940.03.01
申请人
OTTO HARTMANN
发明人
HARTMANN OTTO
分类号
F22B1/16;F24D3/08
主分类号
F22B1/16
代理机构
代理人
主权项
地址
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