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发明名称
ARRANGEMENT FOR PRESETTING DIRECTION OF MINE WORKING
摘要
申请公布号
SU1266995(A1)
申请公布日期
1986.10.30
申请号
SU19853918957
申请日期
1985.06.28
申请人
INST GORNOGO DELA AN KAZAKHSK
发明人
POPOV VADIM N,SU
分类号
E21D13/04
主分类号
E21D13/04
代理机构
代理人
主权项
地址
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