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发明名称
Una válvula de retención para líquidos y fluidos
摘要
申请公布号
ES67328(U)
申请公布日期
1958.08.16
申请号
ES19280000673U
申请日期
1958.07.11
申请人
CONSTRUCTORA FIELD, S. A.
发明人
分类号
主分类号
代理机构
代理人
主权项
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