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经营范围
发明名称
WATER-BASE DRILLING MUD
摘要
申请公布号
SU1518343(A1)
申请公布日期
1989.10.30
申请号
SU19874282849
申请日期
1987.06.22
申请人
MO I NEFTI GAZA IM.I.M.GUBKINA
发明人
AVAKOV VARTAN E,SU;ANGELOPULO OLEG K,SU
分类号
C09K8/20
主分类号
C09K8/20
代理机构
代理人
主权项
地址
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