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发明名称
Tubo perfeccionado para doble paso de fluidos
摘要
申请公布号
ES46698(U)
申请公布日期
1955.04.16
申请号
ES19980000466U
申请日期
1955.02.25
申请人
HERNÁNDEZ LÓPEZ, ÁNGEL
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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