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经营范围
发明名称
APPARATUS FOR DRILLING LARGE-DIAMETER HOLES
摘要
申请公布号
SU1168694(A1)
申请公布日期
1985.07.23
申请号
SU19843723927
申请日期
1984.04.06
申请人
PROEKTNO-KONSTRUKTORSKO-TEKHNOLOGICHESKOE BYURO S O PROIZV MINISTERSTVA PROMYSHLENNOGO STROITELSTVA BSSR
发明人
BEZVERKHIJ VYACHESLAV M,SU;GRIBANOV VIKTOR A,SU;SHAKHIREV VLADIMIR B,SU;SHATILO BORIS N,SU;SADOVSKIJ STANISLAV S,SU
分类号
E21B7/24;E21D1/06;(IPC1-7):E21B7/24
主分类号
E21B7/24
代理机构
代理人
主权项
地址
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