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发明名称
摘要
申请公布号
FR2249381(B1)
申请公布日期
1983.12.09
申请号
FR19740036035
申请日期
1974.10.28
申请人
HUGHES AIRCRAFT CY
发明人
分类号
G04G9/04;G04C3/10;G04G9/00;G04G9/08;(IPC1-7):G04C17/00
主分类号
G04G9/04
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代理人
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