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发明名称
DIAMOND CORE DRILL
摘要
申请公布号
SU926223(A2)
申请公布日期
1982.05.07
申请号
SU19782638350
申请日期
1978.05.22
申请人
INST SVERKHTVERDYKH MAT
发明人
BUGAEV ALEKSANDR A,SU;BOGDANOV ROBERT K,SU;IVANOV VYACHESLAV V,SU;LIVSHITS VALERIJ N,SU;SOLOVEV NIKOLAJ V,SU;RADKO ANDREJ V,SU;FADEEV VASILIJ F,SU
分类号
E21B10/48;B28D1/04;(IPC1-7):E21B10/48
主分类号
E21B10/48
代理机构
代理人
主权项
地址
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