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发明名称
Posisjoneringssystem med differensiert myk forankring
摘要
申请公布号
NO982864(D0)
申请公布日期
1998.06.19
申请号
NO19980002864
申请日期
1998.06.19
申请人
PETROLEO BRASILEIRO SA - PETROBRSS
发明人
KASTER, FERNANDO GUILHERME CASTANHEIRA;BARROS, MAURICUIO SEBASTIOO SAMPAIO DE
分类号
B63B21/50;B63B22/02;(IPC1-7):B63B
主分类号
B63B21/50
代理机构
代理人
主权项
地址
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