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发明名称
HOLE-SIZING TOOL
摘要
申请公布号
SU1189990(A1)
申请公布日期
1985.11.07
申请号
SU19843694756
申请日期
1984.01.27
申请人
PECHORSKY GNI PI NEFTYANOJ
发明人
PLETNIKOV IVAN A,SU;BUSLAEV VIKTOR F,SU
分类号
E21B10/26;(IPC1-7):E21B10/26
主分类号
E21B10/26
代理机构
代理人
主权项
地址
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