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经营范围
发明名称
HEAT EXCHANGER
摘要
申请公布号
US3446032(A)
申请公布日期
1969.05.27
申请号
USD3446032
申请日期
1967.03.10
申请人
EDWARD W. BOTTUM
发明人
EDWARD W. BOTTUM
分类号
F25B40/00;(IPC1-7):F28F1/06;F28F1/36
主分类号
F25B40/00
代理机构
代理人
主权项
地址
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