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发明名称
Aerial trainer
摘要
申请公布号
US2428432(A)
申请公布日期
1947.10.07
申请号
US19430475079D
申请日期
1943.02.08
申请人
SIDNEY PARK WALLACE
发明人
PARK WALLACE SIDNEY
分类号
G09B9/08
主分类号
G09B9/08
代理机构
代理人
主权项
地址
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