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发明名称
Ballast water recovery for airships
摘要
申请公布号
US2078532(A)
申请公布日期
1937.04.27
申请号
US19340708596
申请日期
1934.01.27
申请人
GOODYEAR-ZEPPELIN CORPORATION
发明人
FISCHER WILHELM O. L.
分类号
B64B1/40
主分类号
B64B1/40
代理机构
代理人
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