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发明名称
Dispositivo pulsador para lápices automáticos de mina sin fin
摘要
申请公布号
ES29996(U)
申请公布日期
1952.03.16
申请号
ES19520029996U
申请日期
1952.02.08
申请人
VILA SIVILL HERMANOS, S. A.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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