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经营范围
发明名称
MATERIAL DE OPACIDAD VARIABLE A VOLUNTAD.
摘要
申请公布号
ES232113(Y)
申请公布日期
1978.06.01
申请号
ES19130002321U
申请日期
1977.11.17
申请人
发明人
分类号
A47H;(IPC1-7):47H/
主分类号
A47H
代理机构
代理人
主权项
地址
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