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经营范围
发明名称
BORING TOOL
摘要
申请公布号
RU1799986(C)
申请公布日期
1993.03.07
申请号
SU19914929182
申请日期
1991.04.18
申请人
VNII METODIKI TEKHNIKI RAZVEDKI N-PROIZV OBEDINENIYA "GEOTEKHNIKA"
发明人
GRIGOREV VIKTOR B,SU
分类号
E21B10/64
主分类号
E21B10/64
代理机构
代理人
主权项
地址
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