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发明名称
METHOD OF PILLAR STOPPING
摘要
申请公布号
SU1701915(A1)
申请公布日期
1991.12.30
申请号
SU19904804492
申请日期
1990.03.20
申请人
INST GORNOGO DELA AN KAZAKHSK
发明人
BORSHCHAGOVSKIJ ALEKSANDR I,SU;KOZHAMSEITOV BRZHAN S,SU;FILIPPOVSKIJ VITALIJ A,SU
分类号
E21C41/16
主分类号
E21C41/16
代理机构
代理人
主权项
地址
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