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发明名称
MECHANISED ROOF SUPPORT SECTION
摘要
申请公布号
SU769012(A2)
申请公布日期
1980.10.07
申请号
SU19792710531
申请日期
1979.01.10
申请人
DO NI UGOLNYJ INSTITUT
发明人
GORYACHIJ VLADIMIR G,SU;AVERKIEV VASILIJ ,SU;KRAVTSOV VIKTOR P,SU;BATYGIN STANISLAV P,SU;BEREZHNOJ BORIS A,SU
分类号
E21D23/16;(IPC1-7):E21D23/16
主分类号
E21D23/16
代理机构
代理人
主权项
地址
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