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经营范围
发明名称
Heat exchanger
摘要
申请公布号
US3058722(A)
申请公布日期
1962.10.16
申请号
US19610080380
申请日期
1961.01.03
申请人
PHIL RICH FAN MFG. CO., INC.
发明人
RICH HERSHEL M.
分类号
F28B1/06;F28D7/02;F28D7/04;F28F1/22
主分类号
F28B1/06
代理机构
代理人
主权项
地址
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