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经营范围
发明名称
Improvements in or relating to helicopters
摘要
申请公布号
GB9114085(D0)
申请公布日期
1997.09.17
申请号
GB19910014085
申请日期
1991.06.29
申请人
ROLLS-ROYCE PLC
发明人
分类号
B64C27/82;F02K1/00;F02K1/36;F02K1/38
主分类号
B64C27/82
代理机构
代理人
主权项
地址
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