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发明名称
METHOD OF STEPWISE HOLE CEMENTING
摘要
申请公布号
SU1257168(A1)
申请公布日期
1986.09.15
申请号
SU19843845587
申请日期
1984.11.19
申请人
SIBIRSKIJ NII NEFTYANOJ PROMYSHLENNOSTI
发明人
KOLOTOV ANATOLIJ V,SU;OGORODNOVA AJSLU B,SU
分类号
E21B33/14
主分类号
E21B33/14
代理机构
代理人
主权项
地址
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