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经营范围
发明名称
Process for running scrapers for subsea lines
摘要
申请公布号
EP0480771(B1)
申请公布日期
1996.02.21
申请号
EP19910309416
申请日期
1991.10.14
申请人
PETROLEO BRASILEIRO S.A. - PETROBRAS
发明人
SILVA, JOSE EDUARDO MENDONCA DA;HERDEIRO, MARCO ANTONIO NOGUEIRA;CAPPLONCH, RICARDO WAGNER;MIRANDA, LUIZ VICENTE AULER PASSOS
分类号
B08B9/04;E21B37/04;(IPC1-7):E21B37/04
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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