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发明名称
Centrifugal pumping system
摘要
申请公布号
US1936066(A)
申请公布日期
1933.11.21
申请号
US19310568948
申请日期
1931.10.15
申请人
DE LAVAL STEAM TURBINE COMPANY
发明人
PETERSON ARVID
分类号
F04D9/00;F04D15/00
主分类号
F04D9/00
代理机构
代理人
主权项
地址
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