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发明名称
Ventilator mit mehrfluegeligem Propellerrad
摘要
申请公布号
DE634449(C)
申请公布日期
1936.08.27
申请号
DENDATS109267D
申请日期
申请人
GEBRUEDER SULZER AKT.-GES.
发明人
分类号
F04D29/42
主分类号
F04D29/42
代理机构
代理人
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