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发明名称
Libreta de hojas cambiables.
摘要
申请公布号
ES16971(U)
申请公布日期
1948.05.01
申请号
ES19710000169U
申请日期
1948.03.29
申请人
KARSUNKE RUEHL, ALFREDO
发明人
分类号
主分类号
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