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发明名称
PERFECCIONAMIENTOS EN LA FABRICACIoN DE CLICHÉS MULTICOPISTAS
摘要
申请公布号
ES230228(A1)
申请公布日期
1957.04.01
申请号
ES19280002302
申请日期
1956.07.28
申请人
ETABLISSEMENT CHEMIA
发明人
分类号
(IPC1-7):B41
主分类号
(IPC1-7):B41
代理机构
代理人
主权项
地址
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