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发明名称
CONTROLLED HOLD-DOWN DEVICE FOR DOWNHOLE INSTRUMENTS
摘要
申请公布号
SU1609984(A1)
申请公布日期
1990.11.30
申请号
SU19884375278
申请日期
1988.02.04
申请人
VNI PK I GEOFIZICHESKIKH ISSLEDOVANIJ GEOLOGORAZVEDOCHNYKH SKVAZHIN
发明人
STANCHIK OLEG V,SU;SAFIULLIN GUMER G,SU;BANDOV VLADIMIR P,SU
分类号
E21B47/00
主分类号
E21B47/00
代理机构
代理人
主权项
地址
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