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发明名称
BICA CONDUTORA EM FORMA DE DUTO PARA ESCOAMENTO DE ENTULHOS E RESIDUOS DE ALTURAS
摘要
申请公布号
BR7200119(U)
申请公布日期
1993.07.27
申请号
BR1992MU00119U
申请日期
1992.01.20
申请人
OLIMPIO OSVALDO CEOLIN
发明人
OLIMPIO OSVALDO CEOLIN
分类号
E04F17/10;(IPC1-7):E04F17/10
主分类号
E04F17/10
代理机构
代理人
主权项
地址
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