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发明名称
TURBODRILLING METHOD
摘要
申请公布号
SU1714068(A1)
申请公布日期
1992.02.23
申请号
SU19894751727
申请日期
1989.07.14
申请人
SINEV STANISLAV V,SU
发明人
SINEV STANISLAV V,SU
分类号
E21B3/00
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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