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经营范围
发明名称
METHOD AND POWER SUPPORT UNIT FOR SUPPORTING A STOPE
摘要
申请公布号
SU1518534(A1)
申请公布日期
1989.10.30
申请号
SU19874229731
申请日期
1987.04.13
申请人
INST GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
LEVINTANT ROALD G,SU;SHEIN YURIJ G,SU;SHAKHMEJSTER YURIJ L,SU;GAPANOVICH LEONID N,SU
分类号
E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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