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发明名称
DEVICE FOR DETERMINING THE CUTTING RESISTIBILITY OF ROCKS
摘要
申请公布号
RU1837107(C)
申请公布日期
1993.08.30
申请号
SU19904824837
申请日期
1990.05.15
申请人
SPETSIALNOE KONSTRUKTORSKO-TEKHNOLOGICHESKOE BYURO INSTITUTA GEOTEKHNICHESKOJ MEKHANIKI AN USSR
发明人
USACHENKO BORIS M;SELEZNEV ANATOLIJ M;KURENYA ANATOLIJ V;SERGIENKO VIKTOR N
分类号
E21C39/00
主分类号
E21C39/00
代理机构
代理人
主权项
地址
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OBJECT DETECTOR
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