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经营范围
发明名称
METHOD OF MINING THICK MINERAL BEDS
摘要
申请公布号
SU885558(A1)
申请公布日期
1981.11.30
申请号
SU19792738576
申请日期
1979.03.13
申请人
INST GORNOGO DELA SIBIRSKOGO OTDEL AN SSSR
发明人
KULAKOV VIKTOR N,SU;CHEREMNOV VENIAMIN I,SU;OGORELKOV GENNADIJ F,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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