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发明名称
SAMPLER FOR FORMATION TESTER
摘要
申请公布号
SU1633108(A1)
申请公布日期
1991.03.07
申请号
SU19884489089
申请日期
1988.10.03
申请人
SEVERO-KAVKAZSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI
发明人
VARLAMOV PETR S,SU;PILYUTSKIJ OLEG V,SU
分类号
E21B49/08
主分类号
E21B49/08
代理机构
代理人
主权项
地址
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