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发明名称
DEVICE FOR BOREHOLE HYDRAULIC MINING OF SOILD MINERALS
摘要
申请公布号
SU602685(A1)
申请公布日期
1978.04.15
申请号
SU19752181150
申请日期
1975.10.15
申请人
GNII GORNOKHIMICHESKOGO SYRYA
发明人
ARENS VIKTOR ZH,SU;ISMAGILOV BURZYAN V,SU
分类号
E21B7/18;E21C25/60;E21C45/00;(IPC1-7):E21C45/00
主分类号
E21B7/18
代理机构
代理人
主权项
地址
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