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发明名称
DEVICE FOR BREAKING ROCK PILLARS AT MINING FACE
摘要
申请公布号
SU909156(A1)
申请公布日期
1982.02.28
申请号
SU19802917709
申请日期
1980.04.28
申请人
REVOLYUTSII I GORNOGO DELA IM.A.A.SKOCHINSKOGO
发明人
KUZMICH IGOR A,SU;GLATMAN LEOPOLD B,SU;MERZLYAKOV VIKTOR G,SU;RUTBERG MARK I,SU
分类号
E21C35/18;E21D9/10;(IPC1-7):21C25/38
主分类号
E21C35/18
代理机构
代理人
主权项
地址
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