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经营范围
发明名称
Rotoraerostat med flere Rotorer.
摘要
申请公布号
DK41859(C)
申请公布日期
1930.03.17
申请号
DKD41859
申请日期
1928.06.26
申请人
ERNST GIESE
发明人
ERNST GIESE
分类号
主分类号
代理机构
代理人
主权项
地址
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