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发明名称
Geblaesekuehlanlage zum Tiefkuehlen von Luft
摘要
申请公布号
DE639822(C)
申请公布日期
1936.12.15
申请号
DED639822D
申请日期
1930.10.17
申请人
OTTO HAPPEL
发明人
分类号
F25D21/04
主分类号
F25D21/04
代理机构
代理人
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