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经营范围
发明名称
HEAT EXCHANGER
摘要
申请公布号
GB2068525(A)
申请公布日期
1981.08.12
申请号
GB19800034351
申请日期
1980.10.24
申请人
TOYO ENG CORP
发明人
分类号
F28D7/06;F28D7/16;F28F9/02;(IPC1-7):F28F9/00
主分类号
F28D7/06
代理机构
代理人
主权项
地址
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