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发明名称
A METHOD OF DEGASSING COAL STRATUM
摘要
申请公布号
SU1687799(A1)
申请公布日期
1991.10.30
申请号
SU19894711843
申请日期
1989.06.29
申请人
MO GORNYJ I;MAKEEVSKIJ NII PO BEZOPASNOSTI RABOT V GORNOJ PROMYSHLENNOSTI
发明人
YARUNIN SERGEJ A,SU;LUKASH ALEKSANDR S,SU;KONAREV VALENTIN V,SU;ILYUSHENKO VALENTIN G,SU;GALAZOV RUSLAN A,SU;PUDAK VALENTIN V,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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