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发明名称
ROCK-CUTTING TOOL
摘要
申请公布号
SU1738994(A1)
申请公布日期
1992.06.07
申请号
SU19904818655
申请日期
1990.03.23
申请人
INST SVERKHTVERDYKH MAT
发明人
VOVCHANOVSKIJ IVAN F,SU;VORONIN GEORGIJ A,SU;OSIPOV ALEKSANDR S,SU;SIMKIN EDUARD S,SU;FINKELSHTEJN EVGENIJ M,SU;SHULZHENKO ALEKSANDR A,SU;TSYPIN NEKHEMYAN V,SU;KAZARYANTS VALDEMAR A,SU
分类号
E21B10/46;E21B10/52
主分类号
E21B10/46
代理机构
代理人
主权项
地址
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