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经营范围
发明名称
HYDRAULIC DEEP-WELL TORQUE METER
摘要
申请公布号
SU972063(A1)
申请公布日期
1982.11.07
申请号
SU19802978178
申请日期
1980.08.29
申请人
OB "DONBASSGEOLOGIYA" MINISTERSTVA GEOLOGII USSR
发明人
KABISHCHER GENNADIJ B,SU;KARPENKO VLADIMIR K,SU;LISYANSKIJ VILEN I,SU
分类号
E21B44/04;E21B44/00;(IPC1-7):E21B44/00
主分类号
E21B44/04
代理机构
代理人
主权项
地址
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