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发明名称
Regulator for adjusting the pitch to propeller blades while in motion
摘要
申请公布号
US1879659(A)
申请公布日期
1932.09.27
申请号
US19290371464
申请日期
1929.06.17
申请人
COOLIDGE PROPELLER COMPANY
发明人
COOLIDGE LEIGH H.
分类号
B63H3/04
主分类号
B63H3/04
代理机构
代理人
主权项
地址
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