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经营范围
发明名称
Heat exchanger
摘要
申请公布号
US2940737(A)
申请公布日期
1960.06.14
申请号
US19550500152
申请日期
1955.04.08
申请人
HOUDAILLE INDUSTRIES INC.
发明人
SANDBERG RAY A.
分类号
B21D53/08
主分类号
B21D53/08
代理机构
代理人
主权项
地址
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