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经营范围
发明名称
METHOD OF MINING STEEP COAL SEAMS
摘要
申请公布号
SU1213200(A1)
申请公布日期
1986.02.23
申请号
SU19843763846
申请日期
1984.07.02
申请人
KUCHER VLADIMIR,SU;KOCHETOV VLADIMIR G,SU;BREUS EVGENIJ M,SU
发明人
KUCHER VLADIMIR I,SU;KOCHETOV VLADIMIR G,SU;BREUS EVGENIJ M,SU
分类号
(IPC1-7):E21C41/04
主分类号
(IPC1-7):E21C41/04
代理机构
代理人
主权项
地址
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