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发明名称
Tableau-affiche pouvant servir également d'indicateur de route.
摘要
申请公布号
CH168893(A)
申请公布日期
1934.04.30
申请号
CHD168893
申请日期
1932.11.04
申请人
ALDER,CHARLES;ROSSET,PAUL
发明人
ALDER,CHARLES;ROSSET,PAUL
分类号
G09F7/00
主分类号
G09F7/00
代理机构
代理人
主权项
地址
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