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发明名称
Light-weight girder, especially for aircraft
摘要
申请公布号
US2170458(A)
申请公布日期
1939.08.22
申请号
US19340738995
申请日期
1934.08.08
申请人
LUFTSCHIFFBAU ZEPPELIN G.M.B.H.
发明人
MOECHEL HANS
分类号
B64C1/08
主分类号
B64C1/08
代理机构
代理人
主权项
地址
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