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经营范围
发明名称
Fluid propeller
摘要
申请公布号
US2378049(A)
申请公布日期
1945.06.12
申请号
US19410420970
申请日期
1941.11.29
申请人
THE TORRINGTON MANUFACTURING CO.
发明人
UPSON WALTER L.
分类号
F04D29/32
主分类号
F04D29/32
代理机构
代理人
主权项
地址
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