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发明名称
Airplane construction
摘要
申请公布号
US1971637(A)
申请公布日期
1934.08.28
申请号
US19310507980
申请日期
1931.01.10
申请人
BELLANCA GIUSEPPE M
发明人
BELLANCA GIUSEPPE M.
分类号
B64C39/00
主分类号
B64C39/00
代理机构
代理人
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