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发明名称
Improvements in and relating to the mounting of propellers
摘要
申请公布号
GB315218(A)
申请公布日期
1930.01.16
申请号
GB19290019666
申请日期
1929.06.26
申请人
HUGO JUNKERS
发明人
分类号
B64C11/04
主分类号
B64C11/04
代理机构
代理人
主权项
地址
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