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发明名称
Tubo de gres con empalmes perfeccionados
摘要
申请公布号
ES34285(U)
申请公布日期
1953.02.16
申请号
ES19850000342U
申请日期
1953.01.14
申请人
DOMÍNGUEZ LÓPEZ, MANUEL
发明人
分类号
主分类号
代理机构
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