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发明名称
ROTORE DI ELICOTTERO PERFEZIONATO
摘要
申请公布号
IT1088384(B)
申请公布日期
1985.06.10
申请号
IT19770030311
申请日期
1977.12.02
申请人
UNITED TECHNOLOGIES CORP
发明人
分类号
B64C27/35;B64C27/33;(IPC1-7):B64C/
主分类号
B64C27/35
代理机构
代理人
主权项
地址
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