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经营范围
发明名称
Ladrillo hueco.
摘要
申请公布号
ES1619(Y)
申请公布日期
1933.10.16
申请号
ES19190000016U
申请日期
1933.05.09
申请人
ITITURGI, 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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