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发明名称
Improved method of and apparatus for effecting circulation of a liquid in a heat-transfer system
摘要
申请公布号
GB496957(A)
申请公布日期
1938.12.08
申请号
GB19370015888
申请日期
1937.06.08
申请人
NILS WILHELM UNGE
发明人
分类号
F24D3/02
主分类号
F24D3/02
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