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发明名称
CELOSIA PERFECCIONADA PARA DIFUSORES DE ILUMINACION.
摘要
申请公布号
ES229115(Y)
申请公布日期
1977.12.16
申请号
ES19150002291U
申请日期
1977.06.07
申请人
发明人
分类号
F21V;(IPC1-7):21V/
主分类号
F21V
代理机构
代理人
主权项
地址
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