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发明名称
Improvements relating to helicopters
摘要
申请公布号
GB656050(A)
申请公布日期
1951.08.08
申请号
GB19480033486
申请日期
1948.12.30
申请人
PENNINE AIRCRAFT LIMITED;JOHN SIDNEY NEALE
发明人
分类号
B64C27/30
主分类号
B64C27/30
代理机构
代理人
主权项
地址
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