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发明名称
PACKER
摘要
申请公布号
SU1680945(A2)
申请公布日期
1991.09.30
申请号
SU19894733584
申请日期
1989.09.01
申请人
VNI PK I GEOFIZICHESKIKH ISSLEDOVANIJ GEOLOGORAZVEDOCHNYKH SKVAZHIN
发明人
NAGUMANOV MIRSAT M,SU
分类号
E21B33/12
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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