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经营范围
发明名称
FORMATION TESTING DEVICE
摘要
申请公布号
SU1587184(A1)
申请公布日期
1990.08.23
申请号
SU19874327972
申请日期
1987.11.12
申请人
VNI PK I GEOFIZ
发明人
BOGOMAZOV VLADIMIR N,SU;RYAZANTSEV NIKOLAJ F,SU;PODZOLKOV VASILIJ V,SU
分类号
E21B49/00
主分类号
E21B49/00
代理机构
代理人
主权项
地址
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