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发明名称
HEAT EXCHANGE APPARATUS
摘要
申请公布号
CA309743(A)
申请公布日期
1931.03.24
申请号
CAD309743
申请日期
申请人
THE B. F. STURTEVANT COMPANY
发明人
GARDNER C. DERRY
分类号
主分类号
代理机构
代理人
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