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发明名称
Dispositif publicitaire ou spectaculaire permettant d'imiter des chutes de neige d'intensitévariable
摘要
申请公布号
FR973875(A)
申请公布日期
1951.02.15
申请号
FRD973875
申请日期
1948.10.20
申请人
发明人
PLATZ HILARION
分类号
G09F19/10
主分类号
G09F19/10
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代理人
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