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发明名称
LOCK FOR YIELDING JOINT OF ROOF SUPPORT MEMBERS MADE OF SPECIAL ROLLED SHAPE
摘要
申请公布号
SU1043310(A1)
申请公布日期
1983.09.23
申请号
SU19813252454
申请日期
1981.02.24
申请人
REVOLYUTSII I GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
LISICHKIN VLADIMIR G,SU;MININBERG VADIM YA,SU;SUROVSKIJ BORIS M,SU;BUREGO NIKOLAJ S,SU
分类号
E21D11/14;(IPC1-7):E21D11/14
主分类号
E21D11/14
代理机构
代理人
主权项
地址
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