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发明名称
METHOD FOR PREVENTING ROCK AND GAS OUTBURST DURING WORKING DRIVING
摘要
申请公布号
SU1721261(A1)
申请公布日期
1992.03.23
申请号
SU19894768080
申请日期
1989.12.11
申请人
DO POLT INSTITUT
发明人
ZBORSHCHIK MIKHAIL P,SU;LYSIKOV BORIS A,SU;LOZOBKO GEORGIJ A,SU;ITIN ALEKSANDR E,SU
分类号
E21F5/00
主分类号
E21F5/00
代理机构
代理人
主权项
地址
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