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经营范围
发明名称
Retractible airplane wing
摘要
申请公布号
US2292613(A)
申请公布日期
1942.08.11
申请号
US19400372261
申请日期
1940.12.30
申请人
BURNHAM CHAPMAN FREDERICK
发明人
CHAPMAN FREDERICK BURNHAM
分类号
B64C3/54
主分类号
B64C3/54
代理机构
代理人
主权项
地址
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