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发明名称
METHOD OF MINING COAL SEAMS
摘要
申请公布号
SU1460271(A1)
申请公布日期
1989.02.23
申请号
SU19874286350
申请日期
1987.06.18
申请人
INST GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
AGEEV VLADIMIR G,SU;BELOV SERGEJ F,SU;GRIBOV ALEKSANDR V,SU;KORNEEV ALEKSANDR A,SU;ORLOV VLADIMIR D,SU
分类号
主分类号
代理机构
代理人
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