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经营范围
发明名称
DRILLING SHOCK=ABSORBER
摘要
申请公布号
SU1211406(A1)
申请公布日期
1986.02.15
申请号
SU19823423448
申请日期
1982.01.27
申请人
IVANO-FRANKOVSKIJ I NEFTI GAZA
发明人
VEKERIK VASILIJ I,SU;DIYAK IVAN V,SU;BORISEVICH BOGDAN D,SU;NENASHEV SERGEJ V,SU;BUNYAK BORIS T,SU;MELNIK NIKOLAJ N,SU;MAZURIK STEPAN M,SU
分类号
E21B17/07;F16F15/20;(IPC1-7):E21B17/07
主分类号
E21B17/07
代理机构
代理人
主权项
地址
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