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发明名称
Perfectionnements relatifs aux hélices à pas variable
摘要
申请公布号
FR734891(A)
申请公布日期
1932.10.29
申请号
FRD734891
申请日期
1932.04.08
申请人
HAMILTON STANDARD PROPELLER COMPANY
发明人
分类号
B64C11/34;B64C11/42
主分类号
B64C11/34
代理机构
代理人
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