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发明名称
Aeronautic training apparatus
摘要
申请公布号
US1947962(A)
申请公布日期
1934.02.20
申请号
US19300492236
申请日期
1930.10.30
申请人
HERACLIO ALFARO
发明人
ALFARO HERACLIO
分类号
G09B9/14
主分类号
G09B9/14
代理机构
代理人
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地址
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