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发明名称
Helicopter type airship
摘要
申请公布号
US2273303(A)
申请公布日期
1942.02.17
申请号
US19390306563
申请日期
1939.11.28
申请人
FRANCOISE J. DE BOUCHELLE
发明人
WALDRON GEORGE R.
分类号
B64C27/08;B64C27/12
主分类号
B64C27/08
代理机构
代理人
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