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发明名称
Dispositif pour la lecture périodique d'informations
摘要
申请公布号
BE579206(A1)
申请公布日期
1959.11.30
申请号
BE19590579206
申请日期
1959.05.30
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
(IPC1-7):G06B
主分类号
(IPC1-7):G06B
代理机构
代理人
主权项
地址
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