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发明名称
SISTEMA MECANICO PARA IMPLANTACAO DE TUNEIS
摘要
申请公布号
BR8701354(A)
申请公布日期
1987.12.08
申请号
BR1987PI01354
申请日期
1987.02.25
申请人
TELAR ENGENHARIA E COMERCIO LTDA.
发明人
MARCO ANTONIO BOTTER
分类号
E21D9/06;(IPC1-7):E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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