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经营范围
发明名称
METHOD OF SINKING VERTICAL MINE SHAFTS
摘要
申请公布号
SU945451(A1)
申请公布日期
1982.07.23
申请号
SU19802992665
申请日期
1980.10.13
申请人
MO GORNYJ INSTITUT
发明人
BURCHAKOV YURIJ I,SU;MOTSKIN ISAK A,SU;VOROBEV ANATOLIJ N,SU;VOLKODAV DANILA N,SU
分类号
E21D7/00;(IPC1-7):E21D7/00
主分类号
E21D7/00
代理机构
代理人
主权项
地址
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