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发明名称
UNA DISPOSICION PARA CONTROLAR LA ILUMINACION ELECTRICA DENTRO DE UN ESPACIO OSCURO, POR EJEMPLO, EN UN TUNEL
摘要
申请公布号
ES312064(A1)
申请公布日期
1965.08.16
申请号
ES19640003120
申请日期
1965.04.21
申请人
PHILIPS GLOEILAMPENFABRIEKEN N. V.
发明人
分类号
F21H;(IPC1-7):F21H
主分类号
F21H
代理机构
代理人
主权项
地址
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