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发明名称
Balloon flight control
摘要
申请公布号
US3018069(A)
申请公布日期
1962.01.23
申请号
US19570699431
申请日期
1957.11.27
申请人
MAAS RAYMOND W;THORNESS RUDOLPH B
发明人
MAAS RAYMOND W.;THORNESS RUDOLPH B.
分类号
B64B1/40
主分类号
B64B1/40
代理机构
代理人
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地址
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