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经营范围
发明名称
DRILLING RIG
摘要
申请公布号
SU589362(A1)
申请公布日期
1978.01.25
申请号
SU19762393295
申请日期
1976.08.02
申请人
VNII METODIKI TEKHNIKI RAZVEDKI N-PROIZV OBEDINENIYA "GEOTEKHNIKA"
发明人
EGOROV EDUARD K,SU
分类号
E21B19/00;(IPC1-7):E21B19/00
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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