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发明名称
Method of bonding heat exchanger having nested conduit sections
摘要
申请公布号
US3209440(A)
申请公布日期
1965.10.05
申请号
US19610106672
申请日期
1961.05.01
申请人
JOHN KARMAZIN
发明人
KARMAZIN JOHN
分类号
B21D53/08;F28F1/28
主分类号
B21D53/08
代理机构
代理人
主权项
地址
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