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经营范围
发明名称
Système automatique indicateur d'itinéraires
摘要
申请公布号
FR773091(A)
申请公布日期
1934.11.10
申请号
FRD773091
申请日期
1934.05.09
申请人
发明人
GUSTAVE LEGRAND ALPHONSE, MARIUS,
分类号
G09B29/06
主分类号
G09B29/06
代理机构
代理人
主权项
地址
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