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发明名称
Compás perfeccionado con lápiz portaminas.
摘要
申请公布号
ES24020(Y)
申请公布日期
1950.12.16
申请号
ES19200000240U
申请日期
1950.07.20
申请人
SUGAR KUN, PEDRO;KRAUS DODELES, ARTURO
发明人
分类号
主分类号
代理机构
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