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发明名称
Válvula de cierre para flotadores
摘要
申请公布号
ES28345(U)
申请公布日期
1951.11.16
申请号
ES19450000283U
申请日期
1951.10.06
申请人
RODRÍGUEZ DE LA FUENTE, JESÚS
发明人
分类号
主分类号
代理机构
代理人
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