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发明名称
HYDRAULIC PACKER
摘要
申请公布号
SU1747675(A1)
申请公布日期
1992.07.15
申请号
SU19904836965
申请日期
1990.06.11
申请人
ZAPADNO-SIBIRSKIJ NI PK I TEKHNOLOGII GLUBOKOGO RAZVEDOCHNOGO BURENIYA
发明人
LAPSHIN PAVEL S,SU;BELENKOV ANATOLIJ F,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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