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经营范围
发明名称
Dirigible airship
摘要
申请公布号
US1852987(A)
申请公布日期
1932.04.05
申请号
US19310547972
申请日期
1931.06.30
申请人
HARVEY TYLER JOHN
发明人
TYLER JOHN HARVEY
分类号
B64B1/58
主分类号
B64B1/58
代理机构
代理人
主权项
地址
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