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发明名称
MECHANISED ROOF SUPPORT ENCLOSURE
摘要
申请公布号
SU855224(A1)
申请公布日期
1981.08.15
申请号
SU19792796457
申请日期
1979.07.09
申请人
DO NI UGOLNYJ INSTITUT
发明人
GORDIENKO NIKOLAJ F,SU;SHUTKO FEDOR V,SU;BORISOV VALERIJ V,SU
分类号
E21D23/04;(IPC1-7):E21D23/04
主分类号
E21D23/04
代理机构
代理人
主权项
地址
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