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发明名称
CONDUCTO DE ELEMENTOS MONTABLES PERFECCIONADO PARA CURVAS DEGASEODUCTOS.
摘要
申请公布号
ES231301(Y)
申请公布日期
1978.06.01
申请号
ES19010002313U
申请日期
1977.10.10
申请人
发明人
分类号
F17D;(IPC1-7):17D/
主分类号
F17D
代理机构
代理人
主权项
地址
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