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发明名称
Flugzeug mit im Flug nach rueckwaerts schwenkbaren Tragflaechen
摘要
申请公布号
DE749868(C)
申请公布日期
1945.01.10
申请号
DE1938P077994D
申请日期
1938.10.04
申请人
发明人
分类号
B64C3/40
主分类号
B64C3/40
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代理人
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