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经营范围
发明名称
HYDRAULIC MONITOR DRILLING TOOL
摘要
申请公布号
SU1247498(A1)
申请公布日期
1986.07.30
申请号
SU19843790451
申请日期
1984.09.18
申请人
ZAPADNO-SIBIRSKIJ NI PK I TEKHNOLOGII GLUBOKOGO RAZVEDOCHNOGO BURENIYA
发明人
FONAREV KONSTANTIN S,SU;SOBOLEVSKIJ VLADIMIR V,SU
分类号
E21B7/18
主分类号
E21B7/18
代理机构
代理人
主权项
地址
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