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经营范围
发明名称
Perfectionnements aux dispositifs pour la mise en action de publicité
摘要
申请公布号
FR701638(A)
申请公布日期
1931.03.20
申请号
FRD701638
申请日期
1930.09.03
申请人
发明人
BERRENS-VILLARROYA HENRI
分类号
G09F19/00
主分类号
G09F19/00
代理机构
代理人
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