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经营范围
发明名称
HYDRAULIC DRILLING RIG
摘要
申请公布号
SU1483043(A1)
申请公布日期
1989.05.30
申请号
SU19874296499
申请日期
1987.08.19
申请人
UK NI PK I PODZEMNOJ GIDRAVLI
发明人
DRUPOV NIKOLAJ A,SU;SLEPETS VLADIMIR F,SU;MURZIN ALBERT K,SU;FUNIKOV VLADIMIR S,SU;KODENTSOV ALEKSEJ YA,SU
分类号
E21C25/60;E21B7/18
主分类号
E21C25/60
代理机构
代理人
主权项
地址
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