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经营范围
发明名称
DISPOSITIVO RETRACTIL DE ESCRITURA
摘要
申请公布号
ES245656(Y)
申请公布日期
1980.06.16
申请号
ES19560002456U
申请日期
1979.09.18
申请人
发明人
分类号
B43K7/12;(IPC1-7):43K7/12
主分类号
B43K7/12
代理机构
代理人
主权项
地址
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