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发明名称
SISTEMA CORRECTOR DE NEGATIVOS PARA AMPLIFICADORAS FOTOGRáFICAS.
摘要
申请公布号
ES200725(A1)
申请公布日期
1952.03.16
申请号
ES19250002007
申请日期
1951.11.30
申请人
JUANPERE MASDEU, MIGUEL
发明人
分类号
(IPC1-7):G03
主分类号
(IPC1-7):G03
代理机构
代理人
主权项
地址
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