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经营范围
发明名称
REDUCING ROTOR NOISE
摘要
申请公布号
GB2054058(B)
申请公布日期
1983.04.20
申请号
GB19790021022
申请日期
1979.06.16
申请人
ROLLS-ROYCE LTD
发明人
分类号
F02C7/045;F04D29/66;(IPC1-7):F01D5/02
主分类号
F02C7/045
代理机构
代理人
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地址
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