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发明名称
IMPELLER OF A CANTRIFUGAL ROTARY PUMP
摘要
申请公布号
PL135941(B2)
申请公布日期
1986.01.31
申请号
PL19830241478
申请日期
1983.04.12
申请人
发明人
分类号
F04D;F04D29/28;(IPC1-7):F04D29/28
主分类号
F04D
代理机构
代理人
主权项
地址
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