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发明名称
METHOD OF RUST PROTECTION LIGHT-ALLOY DRILL PIPE IN DRILLING MUDS
摘要
申请公布号
RU820264(C)
申请公布日期
1995.09.10
申请号
SU19782646790
申请日期
1978.07.12
申请人
UKRAINSKIJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT PRIRODNYKH GAZOV
发明人
SELEZNEVA A.A.;KUPRINA L.L.;LIPKO S.K.;ZUBKOV E.F.;PODULYAKH V.A.;BUNYAK B.T.
分类号
C23F11/173;(IPC1-7):C23F11/173
主分类号
C23F11/173
代理机构
代理人
主权项
地址
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