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发明名称
HYDRAULIC PROP OF POWERED MINE ROOF SUPPORT
摘要
申请公布号
SU735785(A1)
申请公布日期
1980.05.25
申请号
SU19782608520
申请日期
1978.04.21
申请人
KUZBASSKIJ POLT INSTITUT
发明人
DUBOV VITALIJ A,SU;BUYALICH GENNADIJ D,SU;KORSHUNOV ANATOLIJ N,SU;ALEKSANDROV BORIS A,SU
分类号
E21D15/44;(IPC1-7):E21D15/44
主分类号
E21D15/44
代理机构
代理人
主权项
地址
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