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发明名称
FREMGANGSMAATE VED BORING AV BROENNHULL OG SAMMENSETNINGER ANVENDT DERI
摘要
申请公布号
NO930976(D0)
申请公布日期
1993.03.17
申请号
NO19930000976
申请日期
1993.03.17
申请人
LUBRIZOL CORPORATION, THE
发明人
FORSBERG, JOHN W.;JAHNKE, RICHARD W.
分类号
C09K;E21B31/03;(IPC1-7):C09K/
主分类号
C09K
代理机构
代理人
主权项
地址
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