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发明名称
TABLA PERIODICA PERFECCIONADA DE LOS ELEMENTOS QUIMICOS.
摘要
申请公布号
ES158392(Y)
申请公布日期
1971.03.16
申请号
ES19700158392U
申请日期
1970.05.09
申请人
OREJAS;MAILLO, S. A.
发明人
分类号
G09B
主分类号
G09B
代理机构
代理人
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地址
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