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发明名称
MACHINERY SET FOR SINKING VERTICAL MINE WORKINGS
摘要
申请公布号
SU750078(A1)
申请公布日期
1980.07.23
申请号
SU19772554206
申请日期
1977.12.07
申请人
GUMENNIKOV EVGENIJ S,SU;PYZHYANOV YAKOV S,SU;KARPOV ALEKSANDR M,SU;SEVERIN SERGEJ F,SU
发明人
GUMENNIKOV EVGENIJ S,SU;PYZHYANOV YAKOV S,SU;KARPOV ALEKSANDR M,SU;SEVERIN SERGEJ F,SU
分类号
E21D1/03;(IPC1-7):E21D1/03
主分类号
E21D1/03
代理机构
代理人
主权项
地址
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