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发明名称
(U1 Y) ;JUNTA BIVALENTE PARA TUBERIAS CORRUGADAS
摘要
申请公布号
ES1052620(U1)
申请公布日期
2003.01.01
申请号
ES20020002145
申请日期
2002.08.30
申请人
发明人
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主分类号
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