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发明名称
WELL-CEMENTING APPARATUS
摘要
申请公布号
SU1027369(A1)
申请公布日期
1983.07.07
申请号
SU19823414311
申请日期
1982.03.31
申请人
SAKHALINSKIJ GNI PI GAZOVOJ PROMYSHLENNOSTI
发明人
PUPKOV VIKTOR S,SU;GNEZDOV VALERIJ P,SU
分类号
E21B33/14;(IPC1-7):E21B33/14
主分类号
E21B33/14
代理机构
代理人
主权项
地址
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