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发明名称
Adjustable bladed impeller
摘要
申请公布号
US2719000(A)
申请公布日期
1955.09.27
申请号
US19520289308
申请日期
1952.05.22
申请人
PAILLARD S. A.
发明人
THEVENAZ JEAN
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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