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发明名称
METHOD OF DEGASSING NEIGHBORING COAL SEAMS AND PARENT ROCK IN PILLAR MINING
摘要
申请公布号
SU1444539(A1)
申请公布日期
1988.12.15
申请号
SU19864198509
申请日期
1986.12.03
申请人
DO NI UGOLNYJ INSTITUT
发明人
LEPIKHOV ALEKSEJ G,SU;GERSHUN OLEG S,SU;ANDREEV MIKHAIL M,SU;KOLYUPANOV VASILIJ K,SU;GATAULLIN NAZIF N,SU
分类号
E21F7/00
主分类号
E21F7/00
代理机构
代理人
主权项
地址
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