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发明名称
PROCEDIMIENTO DE FUSIËN DE TUBOS CON ESTRUCTURAS METALICAS INTERIORES
摘要
申请公布号
ES295850(A1)
申请公布日期
1964.03.16
申请号
ES19500002958
申请日期
1964.01.29
申请人
MORRAL MAGRINA, JOSE
发明人
分类号
F16L;(IPC1-7):B22;B23
主分类号
F16L
代理机构
代理人
主权项
地址
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