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经营范围
发明名称
DRILLING RIG
摘要
申请公布号
SU1194992(A1)
申请公布日期
1985.11.30
申请号
SU19843752943
申请日期
1984.06.21
申请人
PROIZV GEOLOGICHESKOE OB "TSENTRGEOLOGIYA"
发明人
TOLOKNOV IGOR I,SU;PEREKATOV EVGENIJ V,SU;PETROV IGOR P,SU;PANKOV ANATOLIJ V,SU;KOLOMIETS ALEKSEJ M,SU
分类号
E21B15/00;(IPC1-7):E21B15/00
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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