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发明名称
PERCUSSION ACTION LOCKING DEVICE FOR FORMATION TESTER
摘要
申请公布号
SU1571232(A1)
申请公布日期
1990.06.15
申请号
SU19884468290
申请日期
1988.07.29
申请人
ZAPADNO-SIBIRSKIJ NI PK I TEKHNOLOGII GLUBOKOGO RAZVEDOCHNOGO BURENIYA
发明人
LAPSHIN PAVEL S,SU;KHAMZIN KAMIL G,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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