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发明名称
Juntas y empalmes de tubos especialmente de amianto-cemento
摘要
申请公布号
ES22379(U)
申请公布日期
1950.04.01
申请号
ES19790000223U
申请日期
1950.02.27
申请人
URALITA, 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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