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发明名称
HEAT EXCHANGE DEVICE
摘要
申请公布号
CA442294(A)
申请公布日期
1947.06.17
申请号
CAD442294
申请日期
申请人
IMPERIAL CHEMICAL INDUSTRIES LIMITED
发明人
JOHN LOUIS COLTMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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