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经营范围
发明名称
HORIZONTAL DRILLING UNIT
摘要
申请公布号
SU831895(A1)
申请公布日期
1981.05.23
申请号
SU19782629015
申请日期
1978.05.06
申请人
SP K BYURO "GAZSTROJMASHINA"
发明人
BENDLER ABRAM I,SU;BORISOV LEONID S,SU;LUNTS EVGENIJ B,SU;SUSHKIN ALEKSANDR M,SU
分类号
E21B7/28;(IPC1-7):E02D17/14
主分类号
E21B7/28
代理机构
代理人
主权项
地址
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