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经营范围
发明名称
POWER ROOF SUPPORT
摘要
申请公布号
SU1139859(A1)
申请公布日期
1985.02.15
申请号
SU19833619658
申请日期
1983.07.11
申请人
UK NI PK I PODZEMNOJ GIDRAVLICHESKOJ DOBYCHI UGLYA "UKRNIIGIDROUGOL"
发明人
ALIFANOV VALERIJ I,SU;FRUMKIN RAFAIL A,SU;BUDASOV ALEKSANDR A,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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