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发明名称
(U1 Y2) ;DISPOSITIVO DE ACOPLAMIENTO ESTANCO PARA TUBERIAS
摘要
申请公布号
ES1016177(U1)
申请公布日期
1991.11.01
申请号
ES19910000010
申请日期
1991.01.03
申请人
发明人
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主分类号
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