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经营范围
发明名称
MINE ROOF SUPPORT UNIT CONTROL DEVICE
摘要
申请公布号
SU785511(A2)
申请公布日期
1980.12.07
申请号
SU19792716063
申请日期
1979.01.22
申请人
VNI PK UGOLNYJ INSTITUT
发明人
ATYGAEV KENES O,SU;ROGOZOV BORIS G,SU;ZHOLDASPAEV SERIK T,SU
分类号
E21D23/16;(IPC1-7):E21D23/16
主分类号
E21D23/16
代理机构
代理人
主权项
地址
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