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发明名称
Aeroplane landing device
摘要
申请公布号
US1840973(A)
申请公布日期
1932.01.12
申请号
US19300449906
申请日期
1930.05.05
申请人
ROBB FRANK B
发明人
ROBB FRANK B.
分类号
B64F1/02
主分类号
B64F1/02
代理机构
代理人
主权项
地址
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