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经营范围
发明名称
Means for varying the pitch of propeller blades, especially aircraft propeller blades
摘要
申请公布号
US2161917(A)
申请公布日期
1939.06.13
申请号
US19370176372
申请日期
1937.11.24
申请人
THE FAIREY AVIATION COMPANY LIMITED
发明人
FORSYTH ARCHIBALD GRAHAM;SMITH-PERT GEORGE JAMES
分类号
B64C11/42
主分类号
B64C11/42
代理机构
代理人
主权项
地址
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