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发明名称
PERFECCIONAMIENTO EN LAS PELiCULAS FOTOGRáFICAS Y CINEMATOGRáFICAS
摘要
申请公布号
ES127452(A1)
申请公布日期
1932.09.01
申请号
ES19520001274
申请日期
1932.07.23
申请人
VIGANO, RINALDO
发明人
分类号
(IPC1-7):G03
主分类号
(IPC1-7):G03
代理机构
代理人
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