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经营范围
发明名称
POWER ROOF SUPPORT
摘要
申请公布号
SU916762(A2)
申请公布日期
1982.03.30
申请号
SU19802979567
申请日期
1980.08.25
申请人
DO NI UGOLNYJ INSTITUT
发明人
BRASLAVSKIJ EDUARD I,SU;GORDIENKO NIKOLAJ F,SU;IVANOV IVAN F,SU;BORISOV VALERIJ V,SU;KRUTKO SERGEJ G,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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