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发明名称
Un nuevo sacapuntas para lápices con motivos ornamentales estampados
摘要
申请公布号
ES30665(U)
申请公布日期
1952.05.01
申请号
ES19650000306U
申请日期
1952.04.08
申请人
ASTOL THOMÁS, GUILLERMO;MARTINEZ ATIENZA, JOSÉ
发明人
分类号
主分类号
代理机构
代理人
主权项
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