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经营范围
发明名称
Aeroplane and controlling means therefor
摘要
申请公布号
US1798325(A)
申请公布日期
1931.03.31
申请号
US19270184372
申请日期
1927.04.16
申请人
ENNIS HENDERSON ALBERT
发明人
HENDERSON ALBERT ENNIS
分类号
B64C3/38
主分类号
B64C3/38
代理机构
代理人
主权项
地址
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