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发明名称
Heat recoverer for ventilation system - has metal rectangular sheets forming chicane type air path
摘要
申请公布号
CH585381(A5)
申请公布日期
1977.02.28
申请号
CH19750000269
申请日期
1975.01.10
申请人
MELDEM, CHARLES
发明人
分类号
F24F12/00;F28D9/00;(IPC1-7):28D9/00
主分类号
F24F12/00
代理机构
代理人
主权项
地址
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