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发明名称
TUBULACAO DE ESGOTO DE PIAS,LAVATORIOS E SIMILARES
摘要
申请公布号
BR6802200(U)
申请公布日期
1990.05.29
申请号
BR1988MU02200U
申请日期
1988.10.03
申请人
METALURGICA HOY LTDA.
发明人
DORVALINO HOY
分类号
E03C1/30;(IPC1-7):E03C1/30
主分类号
E03C1/30
代理机构
代理人
主权项
地址
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