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发明名称
DEVICE FOR BREAKING HANG-UPS IN ORE PASSAGEWAYS
摘要
申请公布号
SU1116783(A1)
申请公布日期
1986.12.30
申请号
SU19833612453
申请日期
1983.06.29
申请人
PLATONOV V.N.,SU;KRAVCHENKO N.G.,SU;DYATCHIN V.Z.,SU
发明人
PLATONOV V.N.,SU;KRAVCHENKO N.G.,SU;DYATCHIN V.Z.,SU
分类号
E21F13/00
主分类号
E21F13/00
代理机构
代理人
主权项
地址
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