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经营范围
发明名称
Operating device for propellers, turbine wheels, and pump wheels having rotatable blades
摘要
申请公布号
US2244770(A)
申请公布日期
1941.06.10
申请号
US19380184512
申请日期
1938.01.12
申请人
ELOV ENGLESSON JOHN
发明人
ENGLESSON JOHN ELOV
分类号
B63H3/08;D04B39/00;F01D7/00;F03B3/14;F04D3/00;F04D15/00;F04D29/36
主分类号
B63H3/08
代理机构
代理人
主权项
地址
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