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发明名称
Aperfeiçoamento em barragem de concreto tipo gravidade com casa de força em caverna na sua base
摘要
申请公布号
BR9705981(A)
申请公布日期
1999.06.08
申请号
BR1997PI05981
申请日期
1997.05.19
申请人
SOBRINHO JOSE BACALTCHUK
发明人
JOSE BACALTCHUK SOBRINHO
分类号
E02B7/00;(IPC1-7):E02B7/00
主分类号
E02B7/00
代理机构
代理人
主权项
地址
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