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发明名称
Automatic control for wind-driven propellers
摘要
申请公布号
US2493895(A)
申请公布日期
1950.01.10
申请号
US19450592886
申请日期
1945.05.09
申请人
ALVIN OSTERBACK
发明人
OSTERBACK ALVIN
分类号
F03D7/02
主分类号
F03D7/02
代理机构
代理人
主权项
地址
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