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发明名称
PROCEDES ET DISPOSITIFS DE PRESENTATION ET DE CHANGEMENT DE SIGNES INDICATEURS UNITAIRES DISPOSES SUR UNE SURFACE
摘要
申请公布号
FR2650906(B1)
申请公布日期
1994.10.14
申请号
FR19890010943
申请日期
1989.08.10
申请人
RAVEAU JEAN VICTOR
发明人
分类号
G09B29/00;G09F9/37;G09F11/23
主分类号
G09B29/00
代理机构
代理人
主权项
地址
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