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发明名称
Luftschraubenantrieb, insbesondere fuer Modellflugzeuge
摘要
申请公布号
DE709302(C)
申请公布日期
1941.08.13
申请号
DE1938W103099D
申请日期
1938.03.13
申请人
ANTON WELTER
发明人
WELTER ANTON
分类号
A63H29/18
主分类号
A63H29/18
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代理人
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