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发明名称
Perfectionnements apportés aux plaques d'immatriculation lumineuses ou autres indicateurs lumineux
摘要
申请公布号
FR812296(A)
申请公布日期
1937.05.04
申请号
FRD812296
申请日期
1936.10.23
申请人
发明人
MCKNIGHT WILLIAM COLERAINE
分类号
G09F13/14
主分类号
G09F13/14
代理机构
代理人
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