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发明名称
FORMATION TESTER
摘要
申请公布号
SU1733627(A1)
申请公布日期
1992.05.15
申请号
SU19904818805
申请日期
1990.04.24
申请人
VNI PK I GEOFIZ
发明人
SILVESTROV VASILIJ R,SU;DEMIDOV VYACHESLAV V,SU
分类号
E21B49/00;E21B49/08
主分类号
E21B49/00
代理机构
代理人
主权项
地址
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