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发明名称
METHOD OF RESTORING MINE WORKINGS
摘要
申请公布号
SU1578407(A1)
申请公布日期
1990.07.15
申请号
SU19884423611
申请日期
1988.05.12
申请人
MAKEEVSKIJ INZH-STR INSTITUT
发明人
KOVSHOV VLADIMIR V,SU;LUNEV SERGEJ G,SU;PIROGOV EVGENIJ P,SU;PORTMAN ILYA A,SU;SHARABARIN ALEKSANDR G,SU
分类号
E21D11/00;E21D13/02
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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