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发明名称
POWERED ROOF SUPPORT
摘要
申请公布号
SU1765443(A1)
申请公布日期
1992.09.30
申请号
SU19884497795
申请日期
1988.10.24
申请人
INST GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
AKSENOV VLADIMIR V,SU;SKOPIN STANISLAV G,SU;LUKASHEV GENNADIJ E,SU;MILGRAM MARK E,SU;ROZHKOV IGOR YU,SU
分类号
E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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