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经营范围
发明名称
DRILLING RIG
摘要
申请公布号
SU1452923(A1)
申请公布日期
1989.01.23
申请号
SU19874243205
申请日期
1987.03.24
申请人
VOROSHILOVGRADSKOE OTDEL SP PK T BYURO V PROMYSHLENNOGO OBEDINENIYA "SOYUZGEOTEKHNIKA"
发明人
ROMANKO KONSTANTIN L,SU;LUZGANOV VLADIMIR I,SU;KATYREVA SVETLANA V,SU
分类号
E21B15/04
主分类号
E21B15/04
代理机构
代理人
主权项
地址
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