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发明名称
Dispositivo contra el retroceso de un fluido bombeado
摘要
申请公布号
ES69269(Y)
申请公布日期
1959.07.16
申请号
ES19690000692U
申请日期
1958.10.24
申请人
MUÑOA VITORIA, NICASIA
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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