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发明名称
Bearing for rotary driven vertical pump shaft
摘要
申请公布号
US2810614(A)
申请公布日期
1957.10.22
申请号
US19560629959
申请日期
1956.12.21
申请人
RETTMAN CARL A
发明人
RETTMAN CARL A.
分类号
F04D29/06;F16C33/10
主分类号
F04D29/06
代理机构
代理人
主权项
地址
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