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经营范围
发明名称
ROOF SUPPORT SECTION GROUP CONTROL HYDRAULIC SYSTEM
摘要
申请公布号
SU752037(A1)
申请公布日期
1980.07.30
申请号
SU19782607368
申请日期
1978.04.24
申请人
N-PROIZV OB "AVTOMATGORMASH"
发明人
BEKKER GERASIM KH,SU;POLTORATSKOV VASILIJ YA,SU;MAEVSKAYA TATYANA N,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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