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发明名称
CENTRIFUGAL FAN IMPELLER
摘要
申请公布号
SU1671989(A1)
申请公布日期
1991.08.23
申请号
SU19894739619
申请日期
1989.09.21
申请人
VNII GORNOJ MEKHANIKI IM.M.M.FEDOROVA
发明人
BABAK GRIGORIJ A,SU;SHCHUKINA OLGA M,SU
分类号
F04D29/28
主分类号
F04D29/28
代理机构
代理人
主权项
地址
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