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发明名称
METHOD OF SUBTERRANEAN MINING OF MINERAL DEPOSITS IN ASCENDING LAYERS
摘要
申请公布号
SU875048(A1)
申请公布日期
1981.10.23
申请号
SU19792809281
申请日期
1979.08.31
申请人
VNI GORNO-METALLURGICHESKIJ I TSVETNYKH METALLOV "VNIITSVETMET"
发明人
IZMAJLOV ALEKSANDR I,SU;GERGET OSKAR D,SU;DOSKAZIEV ADIL G,SU;MALTSEV VITALIJ P,SU;DERIGLAZOV VLADIMIR N,SU
分类号
(IPC1-7):E21C41/06
主分类号
(IPC1-7):E21C41/06
代理机构
代理人
主权项
地址
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