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经营范围
发明名称
VISOR PERFECCIONADO PARA DIAPOSITIVAS.
摘要
申请公布号
ES265723(Y)
申请公布日期
1983.07.01
申请号
ES19230002657U
申请日期
1982.06.08
申请人
发明人
分类号
G02B23/14;(IPC1-7):02B23/14
主分类号
G02B23/14
代理机构
代理人
主权项
地址
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