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发明名称
DEVICE FOR RELEASING OF STUCK TOOLS
摘要
申请公布号
RU1819983(C)
申请公布日期
1993.06.07
申请号
SU19894714814
申请日期
1989.07.06
申请人
VSESOYUZNYJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT BUROVOJ TEKHNIKI
发明人
GRACHEV VIKTOR V;KRUGLOV VASILIJ D;LUZHANITSA VASILIJ N;MATSIEVSKIJ VIKTOR P;ROMANYAK GRIGORIJ A;SADOVSKIJ ROMAN YU;SKORIK ANATOLIJ N;KHLEBNIKOV NIKOLAJ M
分类号
E21B31/107;E21B31/113;(IPC1-7):E21B31/107
主分类号
E21B31/107
代理机构
代理人
主权项
地址
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