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发明名称
Vorrichtung zur Verhinderung des Pumpens bei Kreiselverdichtern
摘要
申请公布号
DE559554(C)
申请公布日期
1932.09.21
申请号
DED559554D
申请日期
1930.06.19
申请人
DEMAG AKT.-GES.
发明人
分类号
F04D27/02
主分类号
F04D27/02
代理机构
代理人
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