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发明名称
PERFEZIONAMENTO NELLE PALE DI ROTORE PER CONVERTIPLANI
摘要
申请公布号
IT957890(B)
申请公布日期
1973.10.20
申请号
IT19720050277
申请日期
1972.05.16
申请人
TEXTRON INC
发明人
分类号
B64C27/46;B64C29/00;(IPC1-7):B64C/
主分类号
B64C27/46
代理机构
代理人
主权项
地址
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