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经营范围
发明名称
METHOD OF MINING THICK STEEP SEAMS
摘要
申请公布号
SU1139848(A1)
申请公布日期
1985.02.15
申请号
SU19833544810
申请日期
1983.01.28
申请人
G PI "SIBGIPROSHAKHT"
发明人
DUDNIK GEORGIJ N,SU;SHPARBERG EVGENIJ M,SU;NEKRASOV ANATOLIJ P,SU;CHEREMNOV VENIAMIN I,SU;SHAKHMATOV VLADIMIR F,SU;FAJNER ILYA A,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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