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发明名称
Fluido de perfura-Æo empregado na presen-a de gua
摘要
申请公布号
BR9710317(A)
申请公布日期
1999.08.17
申请号
BR19979710317
申请日期
1997.07.11
申请人
RHODIA CHIMIE
发明人
BRUNO LANGLOIS
分类号
(IPC1-7):C09K7/02
主分类号
(IPC1-7):C09K7/02
代理机构
代理人
主权项
地址
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