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发明名称
PANTALLA DIFUSORA PARA CONTRASTAR LA INFLUENCIA OPTICA DE LA LUZ DE LOS TELEVISORES.
摘要
申请公布号
ES166189(Y)
申请公布日期
1971.12.01
申请号
ES19710166189U
申请日期
1971.02.16
申请人
CASADO COLON
发明人
分类号
F21S
主分类号
F21S
代理机构
代理人
主权项
地址
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