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发明名称
Perfectionnements apportés aux dispositifs pour présenter des textes ou images changeantes pour la publicité
摘要
申请公布号
FR811319(A)
申请公布日期
1937.04.12
申请号
FRD811319
申请日期
1936.09.28
申请人
发明人
GALLO BRISOLESE;MEINARDI
分类号
G09F11/02
主分类号
G09F11/02
代理机构
代理人
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地址
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