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发明名称
METHOD OF MINING CONTINUOUS SEAMS
摘要
申请公布号
SU1435785(A1)
申请公布日期
1988.11.07
申请号
SU19874170806
申请日期
1987.01.04
申请人
VNII GORNOJ GEOMEKHANIKI MARK
发明人
BURAKOV VALERIJ N,SU;KROTOV NIKOLAJ V,SU;PETUKHOV IGNATIJ M,SU;SIDOROV VLADIMIR S,SU;SHABAROV ARKADIJ N,SU
分类号
E21C41/18;E21F5/00
主分类号
E21C41/18
代理机构
代理人
主权项
地址
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