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发明名称
Airplane
摘要
申请公布号
US1801833(A)
申请公布日期
1931.04.21
申请号
US19290395130
申请日期
1929.09.25
申请人
ALLEN SHERMAN T
发明人
ALLEN SHERMAN T.
分类号
B64C39/10
主分类号
B64C39/10
代理机构
代理人
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