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发明名称
LOCKED SUPPORT OF MINE WORKINGS
摘要
申请公布号
RU1810560(C)
申请公布日期
1993.04.23
申请号
SU19914784483
申请日期
1991.08.15
申请人
DNEPROPETROVSKIJ GOSUDARSTVENNYJ GOLOVNOJ PROEKTNYJ INSTITUT "DNEPROGIPROSHAKHT"
发明人
PINKOVSKIJ OLEG G;ZINKOVSKIJ SERGEJ V
分类号
E21D11/14
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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