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发明名称
POWERED ROOF SUPPORT FOR WORKING STEEP SEAMS UPGRADE
摘要
申请公布号
SU603751(A1)
申请公布日期
1978.04.25
申请号
SU19752160915
申请日期
1975.08.06
申请人
SIBIRSKIJ G PK EXI GORNOGO MASH "GIPROGORMASH"
发明人
AKSANOV SHAMIL ,SU;MAKAROV ILYA V,SU;KLEJMAN VLADIMIR D,SU;MAKAROV GENNADIJ V,SU;MIKHALITSYN VLADIMIR A,SU;FILATOV VLADIMIR M,SU;LUSHNIKOV LEONID N,SU
分类号
E21D23/00;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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