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发明名称
APPARATUS FOR DRILLING ASCENDING BLAST-HOLES
摘要
申请公布号
SU1078049(A1)
申请公布日期
1984.03.07
申请号
SU19823509259
申请日期
1982.09.22
申请人
INST GORNOGO DELA AN KAZAKHSK
发明人
ZHIKHOR EVGENIJ A,SU;KANTARBAEV NURLAN N,SU;TIMANOVSKIJ VADIM R,SU;RAZUMOV VALERIJ A,SU;DOLGOV PETR V,SU
分类号
E21B3/00;(IPC1-7):E21C1/00
主分类号
E21B3/00
代理机构
代理人
主权项
地址
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