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发明名称
DISPOSICION DE JUNTA DE ESTANQUIDAD Y DILATACION PARA TUBE-RIAS.
摘要
申请公布号
ES135513(Y)
申请公布日期
1971.04.01
申请号
ES19680135513U
申请日期
1968.01.19
申请人
LOPEZ SANCHEZ
发明人
分类号
F16L
主分类号
F16L
代理机构
代理人
主权项
地址
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