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发明名称
MULTIPLEKSET STYRESYSTEM AV ELEKTROHYDRAULISK TYPE FOR BRUK I UNDERVANNS-PRODUKSJONSSYSTEM
摘要
申请公布号
NO924213(D0)
申请公布日期
1992.11.02
申请号
NO19920004213
申请日期
1992.11.02
申请人
PETROLEO BRASILEIRO SA - PETROBRAS
发明人
COELHO, EDUARDO JOSE DE JESUS;EUPHEMIO, MAURO LUIZ LOPES;FREITAS, RICARDO MUNOZ;CONTI, FABIO KERR PINHEIRO
分类号
E21B33/035;E21B43/017;(IPC1-7):E21B/
主分类号
E21B33/035
代理机构
代理人
主权项
地址
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