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发明名称
Captive balloon
摘要
申请公布号
US1988562(A)
申请公布日期
1935.01.22
申请号
US19320644054
申请日期
1932.11.23
申请人
JEAN LETOURNEUR
发明人
LETOURNEUR JEAN
分类号
B64B1/40
主分类号
B64B1/40
代理机构
代理人
主权项
地址
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