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发明名称
PERFECCIONAMIENTOS EN PLATINAS PARA APARATOS OPTICOS
摘要
申请公布号
ES523980(D0)
申请公布日期
1984.04.16
申请号
ES19800005239
申请日期
1983.07.08
申请人
RHONE-POULENC SYSTEMES
发明人
分类号
G03B21/11;(IPC1-7):03B21/11
主分类号
G03B21/11
代理机构
代理人
主权项
地址
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