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发明名称
A driven rotor-wing system for aircraft
摘要
申请公布号
GB1061771(A)
申请公布日期
1967.03.15
申请号
GB19640011025
申请日期
1964.03.16
申请人
HANS WALTER FISCHER
发明人
分类号
B64C23/00;B64C29/00;B64C39/00;F03D3/06
主分类号
B64C23/00
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代理人
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