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发明名称
Ring bracing of rigid airships
摘要
申请公布号
US2073297(A)
申请公布日期
1937.03.09
申请号
US19320640920
申请日期
1932.11.03
申请人
LUFTSCHIFFBAU ZEPPELIN GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
DURR LUDWIG
分类号
B64B1/00
主分类号
B64B1/00
代理机构
代理人
主权项
地址
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