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经营范围
发明名称
Heat exchanger
摘要
申请公布号
US1767794(A)
申请公布日期
1930.06.24
申请号
US19280266275
申请日期
1928.03.31
申请人
JULES HEIZMANN
发明人
HEIZMANN JULES
分类号
F28D9/00
主分类号
F28D9/00
代理机构
代理人
主权项
地址
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