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发明名称
DEVICE FOR FIXING WELL EQUIPMENT
摘要
申请公布号
SU1723306(A1)
申请公布日期
1992.03.30
申请号
SU19904798264
申请日期
1990.01.23
申请人
VOSTOCHNYJ NI NEFTEGAZOVYJ I PO TEKHNIKE BEZOPASNOSTI PROMSANITARII
发明人
RASTORGUEV MIKHAIL A,SU;NUGAEV RAIS YA,SU;GAZIZOV ROBERT F,SU
分类号
E21B23/00
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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